Stats 350 Gunderson Exam 2 Lecture Review Solutions
1. In a study to investigate the effect of a special diet on reducing cholesterol levels, 12 subjects known to have high cholesterol had their cholesterol measured at the beginning of the study and
Statistics 350 - Recommended Problems for HW 3 - Fall 2006
Textbook:
Chapter 8 (pages 321 328) - (pages 285 291 in the 2nd edition) 8.2 (8.2 in the 2nd edition) 8.6 (8.3 in the 2nd edition) 8.7 (8.4 in the 2nd edition) and add the following questio
Chapter 8 (pages 321 328) - (pages 285 291 in the 2nd edition)
Statistics 350 Fall 2006 Solutions to Recommended Problems for HW 3
The following is the correspondence between the 3rd -> 2nd edition problem numbers: 8.2 same, 8.6 -> 8.3, 8.7 ->
Stat 350: Exam 1 Review Solutions
October 9, 8:15 9:45 pm in MLB AUD 3
The review session including questions and comments from students attending was recorded, and will be posted to the Stats 350 CTools site so that any 350 student may review the
Stat 350 Fall 2006 Exam 1 Solutions
1. a. This study was: an experiment. b. Was a control used in this study? yes c. For all patients in the study, the number of headache days was recorded. This variable is the response variable. d. Suppose the young
Dr. V Study Guide Ch 1-8, plus "About proportions" Descriptive Statistics 1. Given a N (3.1 ft, 1.2), what is the name (and units) for 1.2? How would you interpret it? The
2. A median is preferred (over a mean) when data is . . . . . 3. How do you
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Statistics 350 Notes Final Exam Study Guide Chapter 2: Variable a characteristic that differs from one individual to the next Categorical variable places an individual into one of several groups or categories; if it has ordered categories, it is ca
Regression
Linear Regression Model Population Version: Y (x ) = E (Y ) = 0 + 1 x Mean: Individual: y i = 0 + 1 x i + i where i is N (0, ) Sample Version: y = b0 + b1 x Mean: Individual: yi = b0 + b1 xi + ei Standard Error of the Sample Slope
Statistics 350 Example Homework Solution
Name: XXX XXXXXXXXX GSI Name:
XXXX XXXXXX
ID Number:
XXXX-XXXXX 0XX
Lab Section Number:
DUE: Not to be turned in, but to show the format for a Stat 350 homework worksheet.
Write clearly in the spaces prov
Stats 350 Gunderson Exam 2 Lecture Review
1.
In a study to investigate the effect of a special diet on reducing cholesterol levels, 12 subjects known to have high cholesterol had their cholesterol measured at the beginning of the study and again af
Stats 350 W08
Name that Scenario Handout
(may be covered in lecture the week of March 10-14)
Bobby and Barney are the owners of a bakery. They are considering packaging their "mini" chocolate chip cookies in individual bags for vending machine sale
Statistics 350 Example Homework
Name: GSI Name: ID Number: Lab Section Number:
DUE: Not to be turned in, but to show the format for a Stat 350 homework worksheet.
Write clearly in the spaces provided. Make sure you show all work. Turn in this 1 pag
h1 Bjork Larsen needed to determine whether to use a new racing wax for the Swedish Nordic Ski Team. He thinks that the new wax will be worth the price if it would lead to a faster race time, on average. In the past, the average time for a standard l
Stat 350 Gunderson Lecture Notes (pages 118 and 128)
Page 118:
The Beauty of p-values: Suppose the significance level is set at 5% for testing H0: status quo versus Ha: the "new theory". If p-value is. 0.462 0.063 Statistical Decision Fail to Rejec
Stat 350 Winter 2008
Important Instructions for Homework Worksheets (required)
(1) Print out the homework worksheet. If the worksheet is 2 pages, print it out two-sided for one page. If the worksheet is more than 2 pages, print out and staple all pa
Stat 350 Gunderson Lecture Notes Chapter 8: Random Variables
All models are wrong; some models are useful.
- George Box
Patterns make life easier to understand and decisions easier to make. In Chapter 2 we discussed the different types of data o
Statistics 350 Winter 2008 Homework #1
Name: Lab GSI Name: ID Number: Lab Section Number:
HW 1 Score:
DUE: To your lab GSI at the BEGINNING of your lab session (on Jan 14 16).
Print out this sheet two-sided. Write clearly in the spaces provided.
Statistics 350 Syllabus Winter 2008
All Course Materials will be available through a common CTOOLS site for Stats 350.
Instructors
Anil Gore Lecture Section 1: TTH 11:30 1 pm, 140 Lorch Lecture Section 3: MWF 10 - 11 am, MLB Aud 3 Office: 464 West
A. Is the average number of chocolate chips in our cookies higher than the average number of chocolate chips in our competitor's cookies? Enter your numeric choice.
1. 2. 3.
4.
5.
1-sample t-test for a popul mean Paired t-test 2-sample t-test for c
Stat 350 W08 Exam 2 Solutions
1. a. That the variances for battery life for the two populations are equal Or Equal population variances OR b. Test statistic = 2.55 Conclusion: There (circle one) c.
2 12 = 2
Or Equal population standard deviations