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Course: STAT 321, Fall 2009
School: Cal Poly
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2008 Stat Winter, 321 - Computer Instructions The Stat 321 Email Discussion List Cal Poly has already signed up your email address to the class alias. If you want your mail forwarded to a different account, update the E-mail Delivery Address setting under Personal Information at http://my.calpoly.edu. If you add the course late, you should automatically begin receiving messages soon. To post a message: Send...

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2008 Stat Winter, 321 - Computer Instructions The Stat 321 Email Discussion List Cal Poly has already signed up your email address to the class alias. If you want your mail forwarded to a different account, update the E-mail Delivery Address setting under Personal Information at http://my.calpoly.edu. If you add the course late, you should automatically begin receiving messages soon. To post a message: Send email to stat-321-01-2082@calpoly.edu To reply to a message: Please make sure you use the reply to all option. If you dont receive an email the first week or want your name removed, please see me. Course Webpages Blackboard (more information below) Alternative course webpage: http://statweb.calpoly.edu/bchance/stat321W08/ On the course webpages you will see basic information, but also can access the daily schedule, frequent announcements, typos, homework assignments and solutions, course handouts (as they become available), data files, and other resources for the course. In Blackboard you can also check your current grade and access the discussion board and chatroom. Using Blackboard for the first time Note: The Blackboard web program works best with Internet Explorer (version 5.0 and higher), Netscape (version 7.1), Mozilla Firefox (1.0). Javascript, cookies, and pop-up windows must all be enabled. In your browser, go to http://my.calpoly.edu Log in using the same username and password that you use to check email (if unknown, try https://myportal.calpoly.edu/GuestPasswordManagerServlet) The Stat-321-01-2082 course link should appear in the Courses In Which You Are Participating. If not (and its been 3 days after an ePermit add), call the HelpDesk. Completing the Initial Course Survey in Blackboard From the Blackboard course page, under the Assignments tab, select the Stat 321 Questionnaire link and then click OK to begin. If you need to leave your computer but dont yet want to submit your answers, press the Save button instead. In fact, you may want to press this button with some regularity if you think you may lose your internet connection. If a problem develops and you are no longer able to access the questions, email me and I can reset the assessment. Earlier work will not be saved. Note: When taking an assessment using Netscape, do not resize the browser window or click on other links to avoid submitting a blank assessment. Submitting Other Assignments Electronically Email: You can email me Word files as attachments (without viruses) but include your name inside the file and in the file name. Do not use the drop box in Blackboard. 1 Winter, 2008 Downloading Minitab To download Minitab 15 to your own computer, go to my.calpoly.edu and click the Technology tab. In the Windows folder, you should see Minitab 15.1. Click on Download! After accepting the licensing agreement, in the File Download window, click to Run the .exe file. See online handout for more details. Starting Minitab To start Minitab, double click on the Minitab 15 icon on the desktop, or Click on Start, then All Programs, then Minitab Solutions then Minitab 15. You can also double click on a Minitab file and this will also launch Minitab. Make sure you see the MTB> prompt in the session window. If you do not, you will need to click in the Session Window, and then choose Editor Enable Commands. This is something you will probably have to do each time you use Minitab. (To set this permanently, choose Tools > Options > Session Window > Submitting Commands and select Enable.) Creating a Minitab file You can type data directly into the Minitab columns. Generally, each column represents a variable and each row a different observational unit. Minitab file types - .mtw worksheet files store the Minitab worksheet - .mpj project files store the worksheet, the session window, and any graph windows you have created These files can only be read by Minitab, so you need to have Minitab installed on the machine before you will be able to open these files. Opening an existing Minitab file From the course webpages (under the Web Sites link in Blackboard or http://statweb.calpoly.edu/bchance/stat321W08/data/) Clicking on the file link should launch Minitab and display the data in the Data window. (You may need to configure your browser to recognize the .mtw extension.) You can also right click on the file and choose Save (Link) Target As to save to your own computer or, if in the Studio, then click on the My Computer icon and select the appropriate CD or flash drive. From within Minitab: Choose File Open Worksheet (6th option down) or Open File Project. In the next window, either double click on the Desktop icon on the left or click on the down arrow at the top, to the right of the Data folder icon and then click on Desktop in the list. Then locate the folder containing the data file. In the Studio, double click on the Studio_Folder folder and follow the path given above. Note: You can have multiple worksheets open. Choose Window in the Minitab menu bar. You can select different Minitab worksheets at the bottom of this menu. 2 Winter, 2008 Saving a Minitab file 1. Choose File Save Project or File Save Current Worksheet (8th option down). Enter a name into the File name box and click the Save button. 2. In the labs, you can only save files onto the Desktop (temporarily) or onto your own drive: To save to your own drive, next click My Computer icon on the left or use the pull-down menu by clicking on the down arrow at the top to the right of the Data folder: This opens a menu. Click on My Computer in that menu. OR To save to the Desktop, next click the Desktop icon on the left or use the pulldown menu to select Desktop. If you save a file to the Desktop, you should then be able to attach this file in an email message to send it to yourself. This file will not be on the Desktop the next time you use this machine. You can also choose File Save Session Window As to save the output in the (activated) Session window into a text file which can be opened in Word. Copying Minitab Graphs into a Word file Copy and Paste: Make sure the graph is highlighted and then use ctrl-C to copy (or Edit Copy Graph). Then in Word, use ctrl-V to paste (or Edit Paste). If you have problems (e.g., the picture floating around in ways you dont want it to), use the picture toolbar (right click, select Show Picture Toolbar) to make sure the Text Wrapping style is In Line With Text. OR Save the graph onto your disk: Make sure the graph is highlighted, then select File Save Graph As. Use the menu to change the file type to JPEG (.jpg). In Word, choose Insert Picture From File. Formatting Minitab Graphs in Word: If you click once on the graph, you can resize the image by placing the mouse over one of the edge squares and dragging the mouse. You should also trim excess white space by selecting the Crop tool (from the Picture Toolbar, see step 1), then moving the mouse to an edge of the graph image and dragging inward. If you double click on the image twice, you can also do additional edits (e.g., fixing up axis labels) and formatting (e.g., change fill color to white). Using Minitab outside of class Minitab is available for free on all IT run computer labs, e.g. the Library Learning Commons (http://learningcommons.lib.calpoly.edu/labs/217c.html) and the Business Com...

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Cal Poly - STAT - 324
Studio Open Hours: Th 11-12, F 10-11No food or drink in the lab at any timeStat 324 - Computer InstructionsLogging into the Studio computers: The computer should tell you to Press Ctrl + Alt + Delete to log on, do this. Then verify/enter the fol
Cal Poly - STAT - 217
Appendix A:OVERVIEW OF MINITABStarting Minitab:To launch Minitab, click your (left) mouse button two times quickly while pointing to the Minitab icon or the Minitab Student icon:Once in Minitab:Once you start Minitab, the Minitab menu bar will
Cal Poly - STAT - 150
Downloading Minitab 15 Minitab, version 15 is available for free (for the PC) from your my.calpoly account. The new license only recently became available so there are actually a few extra steps to the process. In particular, its going to look like y
Cal Poly - STAT - 321
Lab 2: Random BabiesInitial Predictions: I estimate that the probability of at least 1 baby being delivered to the correct mother is 50%. Baby Simulation Results: Empirical testing with the applet simulation for 4 babies resulted in the following. T
Cal Poly - STAT - 321
10 January 2008Statistics 321 01 MTRF 12:10 1:00 pm Beth Chance Lab 1 Hockey StatisticsStem-and-Leaf Display: ProgramStem-and-leaf of Program Leaf Unit = 0.10 N = 308 9 13 15 15 13 3 3 2 1 10 1 2 3 4 5 6 7 8 9 1000000000 0 0027 68 057 0
Cal Poly - STAT - 322
Winter, 2007 Stat 322 HW 4 Solutions 1) problem 3 (p. 420), using Table A.9 or Minitab (Calc > Probability Distributions > F) to estimate/determine the p-value. Include a well-labeled sketch of this F distribution with the pvalue shaded. Note, 24 bu
Cal Poly - STAT - 321
Stat 321 Lab 3My prediction for the probability of finding at least two people with matching birthdays among the 34 people in lab was 10%. I also predicted that the smallest of people necessary to exceed a probability of .5 was 365/2 or 182. For a
Cal Poly - STAT - 321
Stat 321 - Formulas Do not write on this page and return at the end of the exam. De Morgans Laws: (A B)' = A' B' (A B)' = A' B' Combinations n n! Ck,n = = k k!(n k )! Permutations n! Pk,n = (n k )! General Addition Rule P(A B) = P(A) + P
Cal Poly - STAT - 301
Stat 301 Choosing Procedures One sample proportionOne sample meanTwo sample or treatment proportions Small sample sizes Fishers Exact Test or simulated binomial sampling Large sample sizes Two-sample z-proceduresTwo sample or treatment means
Cal Poly - STAT - 321
STAT 321-01 2/1/08Lab 4Comparing Roulette Betsa.) Possible values of X: Probability P(X = x) b.) E(X) = x1=-1 20/38 = 0.5263 x2 =1 18/38 = 0.4737xi2i P( X = xi ) = ( x1 )P( X = x1 ) + ( x 2 )P( X = x 2 ) = 1(.52632) + 1(.47368) = .05263
Cal Poly - STAT - 150
Stat 150 Time Management Project Recall that we asked you to gather data on your time management habits during every day of the quarter, including weekends and holidays. We asked you to begin on Monday, September 22 and end on Sunday, November 23, ea
Cal Poly - STAT - 321
Fall, 2004 Stat 321 - Day 23 Normal DistributionsWednesday, October 27Earlier studied a variety of families of discrete probability distributions- binomial, hypergeometric, geometric, negative binomial, and Poisson. Now we will study a variety of
Cal Poly - STAT - 218
Stat 218 - Day 18 Transformations, More on Interpreting Tests and Intervals We have studied t-intervals and t-tests for comparing means between two groups. The technical conditions required for the t-procedures to be valid are that: 1) the data can b
Cal Poly - STAT - 130
Stat 130Exam 1April 19, 2006Note: Your questions might have appeared in a different order. 1. (16 pts) On September 28, 2005, the news website MSNBC.com published an article about how consumers can redeem frequent flyer miles from airlines. Wit
Cal Poly - STAT - 218
Stat 218Exam 1 SolutionsWinter 2006Some questions have different versions, so be sure to find the relevant version for your exam. Frequent flyer question: a) The value 83% is a statistic, because it pertains only to the sample of people who res
Cal Poly - STAT - 218
Stat 218 - Day 31 Scatterplots and Association We will study relationships between two quantitative variables for the rest of the course. A scatterplot is a graphical display of the relationship between two quantitative variables. o The explanatory
Cal Poly - STAT - 321
Fall, 2004 Stat 321 - Day 11 Discrete Random VariablesWednesday, October 6Example: Random Babies and College Committees (cont.) Recall your analysis of distributing four babies to their mothers at random. You found that there are 24 equally likel
Cal Poly - STAT - 426
Stat 426 Assignment 7 (due Thur, Mar 13) Topics: Confidence Intervals, Hypothesis Testing, Types of Errors, Power Function, Size, pValue 1. Some student researchers at Cal Poly took a random sample of 100 students and calculated the ratio of backpack
Cal Poly - STAT - 150
Fall, 2008 Stat 150 - Day 7 Scatterplots and AssociationWednesday, Oct. 1Suppose that a criminal leaves behind a footprint so that we can measure the length of his/her foot. Does that enable us to say anything about his/her height? We will collec
Cal Poly - STAT - 321
Fall, 2004 Stat 321 - Day 2 Equal LikelinessTuesday, September 21Activity 2: Random Babies Suppose that on one night at a certain hospital, four mothers (named Johnson, Miller, Smith, and Williams) give birth to baby boys. Each mother gives her c
Cal Poly - STAT - 221
Stat 221Exam 3November 21, 2008Note: Your questions may have appeared in a different order.1. (16 pts, 4 pts each) For the following questions, identify which of the five types of inference procedures would be appropriate. Choose from the fol
Cal Poly - STAT - 252
STAT 252 - Day 29 Introduction to Multiple Regression Example 1: House Prices (cont.) Reconsider yet again the data on price (in thousands of dollars) and size (in square feet) of a random sample of 20 houses sold in Arroyo Grande in 2006-07 (HousePr
Cal Poly - STAT - 218
Stat 218 - Day 4 Five-number summary, Boxplots Five-number summary (FNS): Minimum, Lower Quartile (Q1), Median, Upper Quartile (Q3), Maximum Quartiles are calculated as the median of the values below/above the location of the actual median Example: N
Cal Poly - STAT - 322
Guide to MinitabDr. Jimmy Doi1Introduction to MinitabMinitab is a statistical analysis software package. The software is freely available to all students and is downloadable through the Technology Tab at my.calpoly.edu. When you rst launch Mi
Cal Poly - STAT - 330
Supplement: The IN= StatementStat 330, Dr. Jimmy A. DoiSupplement: The IN= StatementThis supplement is oered in response to a question a few students raised with regard to the IN= statement. Please refer to the course notes/textbook for more det
Cal Poly - STAT - 218
Ch. 7 Addendum: Using MinitabStat 218, Dr. Jimmy A. DoiAdditional Notes for Minitab Please add to the current Guide to MinitabExercise (A) from Course Notes: Researchers suspect that the exposure to toluene will increase the levels of NE in the
Cal Poly - STAT - 330
Supplement: The LAG StatementStat 330, Dr. Jimmy A. DoiSupplement: The LAG StatementThis supplement is oered in response to a question a student raised with regard to the lag statement. Please refer to the course notes/textbook for more details
Cal Poly - STAT - 330
Supplement: Permanent Data SetsStat 330, Dr. Jimmy A. DoiSupplement: SAS Permanent Data SetsSuppose we want to import the raw data le age salary.txt which is stored at C:/mySAS/raw data/age salary.txt. Notice that the data is based on three vari
Cal Poly - STAT - 330
OPTIONS FORMCHARStat 330, Dr. Jimmy A. DoiOPTIONS FORMCHARHeres a tip from Professor Russ Lenth (Statistics Department, University of Iowa): How to make SAS tables/output print correctly SAS is set up to use its own fonts, and this causes annoyi
Cal Poly - STAT - 330
SAS Installation Guide Dr. Jimmy Doi, Statistics Dept. Cal Poly State University San Luis ObispoNOTE FOR WINDOWS VISTA USERS: If you are running WINDOWS VISTA (HOME or HOME DELUXE), please consult with the instructor DO NOT ATTEMPT TO INSTALL SAS
Cal Poly - STAT - 330
1STAT 330Reading Multiple Lines of Data per Observation Typically data sets consist of one observation per line SAS will go to the next line if it runs out of data before it has read all variables from the input statement Better if you tell SA
Cal Poly - STAT - 330
12STAT 330Keeping Track of Stats Can use out= option with most proc's to keep your statistics in a SAS data set useful for presentation or reporting can manipulate these statistics if need be in most procs (such as means) out= goes in an ou
Cal Poly - STAT - 330
STAT 330Lecture Set 12 - Bells and WhistlesOutput Delivery System (ODS) Prior to version 7 SAS output was designed for a traditional line-printer limited to monospace fonts and not as flexible Version 7 and up now contain the ODS Where do we
Cal Poly - STAT - 330
12STAT 330PROC CHART Proc CHART is used to generate bar charts Choose between vertical bars (vbar) and horizontal bars (hbar) vbar and hbar options include:Lecture Set 9 - Basic Statistical PROCsmidpoints = list - specifies midpoints for
Cal Poly - STAT - 330
1STAT 330Lecture Set 9 - Basic Statistical PROCs2PROC CHART Proc CHART is used to generate bar charts Choose between vertical bars (vbar) and horizontal bars (hbar) vbar and hbar options include:midpoints = list - specifies midpoints for
Cal Poly - STAT - 330
STAT 330Lecture Set 13 - Useful things to knowDynamic Data Exchange (DDE) Recall that we used DDE to read data into SAS from Excel We can use a similar method to dump data back into excel (and word) Useful for creating specialized data files a
Cal Poly - STAT - 330
12STAT 330Macros Macros allow you to write piece of code to be used over and over throughout your program very useful as this cuts down on the size of your programLecture Set 11 - Macro Concepts Macros used to be considered an advanced t
Cal Poly - STAT - 330
12STAT 330Basic PROCsLecture Set 7 - Basic PROCs All PROCs have required statements and optional statements Most PROCs make some sort of report or analysis By default will send output to output (listing) window34PROC SORTPROC SORT
Cal Poly - STAT - 330
STAT 330Dynamic Data Exchange (DDE) Recall that we used DDE to read data into SAS from Excel We can use a similar method to dump data back into excel (and word) Useful for creating specialized data files as well as making reports Some work requ
Cal Poly - STAT - 330
STAT 330Output Delivery System (ODS) Prior to version 7 SAS output was designed for a traditional line-printer limited to monospace fonts and not as flexible Version 7 and up now contain the ODS Lecture Set 12 - Bells and Whistles Where do we
Cal Poly - STAT - 330
Stat 330: Assignment 3 Due: Wednesday, January 21, 2009 at 11:59:59 pm1. Forbes is an American publishing and media company that is famous for its lists including the list of richest Americans, billionaires, and the most powerful celebrities. The r
Cal Poly - STAT - 330
12STAT 330Assignments A quick note about programs. For each assignment youwill be required to include the following information at the top of your program(s):* Name: Your Name(s); * Assignment: Assignment #; * Due Date: Due date from assignm
Cal Poly - STAT - 330
Stat 330: Assignment 1 Due: Wednesday, January 7, 2009 at 4:00 PM SAS offers help manuals in html format on the web. These web pages are superior to the standard help menu offered with the SAS software installation. If you cant find what you are look
Cal Poly - STAT - 330
12STAT 330Range Lists There are some handy shortcuts for listing variables Numbered range lists are for variables that start with the same characters and end with consecutive numbering Var6 Var7 Var8 is the same as Var6-Var8Lecture Set 5
Cal Poly - STAT - 330
Stat 330: Assignment 4 Due: Wednesday, January 28, 2009 at 11:59:59 pm 1. A company that works with various military contracts (too confidential to even be discussed in detail here) has a data file that contains basic contract initiation information
Cal Poly - STAT - 330
Stat 330: Assignment 2 Due: Wednesday, January 14, 2009 at 11:59:59 pm1. Data were collected on prices in cents per pound received by fishermen and vessel owners for various species of fish and shellfish in 1970 and 1980. The variables in this file
Cal Poly - STAT - 330
1STAT 330Lecture Set 6 Reading Data IIReading Multiple Lines of Data per Observation Typically data sets consist of one observation per line SAS will go to the next line if it runs out of data before it has read all variables from the input
Cal Poly - STAT - 330
1STAT 330Lecture Set 10 More Statistical PROCs2Keeping Track of Stats Can use out= option with most proc's to keep your statistics in a SAS data set useful for presentation or reporting can manipulate these statistics if need be in most
Cal Poly - STAT - 330
12STAT 330Administrative - GeneralLecture Set 1 Goals of course and SAS overview Website: http:/statweb.calpoly.edu/rottesen Office hours Homework Email to: STAT330HW@yahoo.com Labs Quizzes and Groupwork Projects Exams Working toge
Cal Poly - STAT - 330
1STAT 330Lecture Set 8 - Back to the DATA Step2SAS Automatic Variables We already know about automatic variables such as _N_ and _ERROR_ SAS can also create additional automatic variables under certain circumstances When using a by state
Cal Poly - STAT - 330
12STAT 330Drop/Keep It is not always necessary to keep all the variables in a data set Lecture Set 4 How Does SAS Process Data? and a do loop extravaganza sometimes better to only hang on to what is needed for reporting/analysis Use a dro
Cal Poly - STAT - 218
12STAT 218Sampling DistributionsLecture Set 4 Sampling Distributions Definition: Sampling Variability is the variability among random samples from the same population. A probability distribution that characterizes some aspect of sampling
Cal Poly - STAT - 218
Sampling Distributions Definition: Sampling Variability is the variability among random samples from the same population.A probability distribution that characterizes some aspect of sampling variability is calledThe Meta-Experiment A meta-experim
Cal Poly - STAT - 218
12STAT 218ApplicationLecture Set 8 More on the T Test and the Wilcoxon-Mann-Whitney TestExample: Nine observations of surface soil pH were made two different locations. Does the data suggest that the true mean soil pH values differ for the
Cal Poly - STAT - 218
12STAT 218Probability Probability is important to statistics because: study results can be influenced by variation it provides theoretical groundwork for statistical inferenceLecture Set 3 Random Sampling, Probability, and the Normal Dis
Cal Poly - STAT - 218
1STAT 218Statistical Inference Concerning 1 How can we use statistical inference in regression?2Lecture Set 13 More Regression Suppose we would like to investigate the relationship between X and Y If X is telling us nothing about Y, wha
Cal Poly - STAT - 218
12STAT 218Quantitative DataLecture Set 5 Sampling Distribution for the Mean and Introduction to Confidence Intervals More complex than dichotomous data Sample and populations for quantitative data can be described in various ways: mean, m
Cal Poly - STAT - 218
1STAT 218Planning a Study to Estimate It is important before you begin collecting data to consider whether the estimates will be sufficiently precise. Two factors to consider:2Lecture Set 6 Sample Size Calculations and Confidence Interval
Cal Poly - STAT - 218
Two Way ANOVA Name the type of two way ANOVA discussed in our text book.What is the point of blocking?Can blocks consist of more than two observations?Name the three parts that the total variability is split into.Completely RandomizedSS(betw
Cal Poly - STAT - 217
12STAT 217Measures of Center Recall that center is #2 of the BIG three. Measures of center for numerical data include: the mean the median the mode (the value with the highest frequency)Lecture Set 4 Center and Spread These measures a
Cal Poly - STAT - 217
Comparative Bar Chars What is the main purpose of a comparative bar chart?Example: According to the Cal Poly Fact Book 2003-2004 the enrollment by gender and college are as follows.Chart of Enrollment vs College, Gender90Percent of Enrollment