Stats Term Project Assignment #3 Due: Tues. Sept. 10
When I refer to the chart I am referrring to the data generated from the first day survey.
1. Classify each variable below as either quantitative or qualitativ
Choose one of the data sets assigned in Blackboard and enter the data
into a Statistix data file.
Use the Statistix program to create the printouts requested in this exam.
Attach the requested pr
Chapter 1 Introduction to Statistics
1-2 Statistical Thinking 1. A voluntary response sample, also called a self-selected selected, is one in which the subjects themselves decide whether or not to participate in the study. 2. A voluntary response sample i
Chapter 10 Correlation and Regression
10-2 Correlation 1. a. r = the correlation in the sample. In this context, r is the linear correlation coefficient computed using the chosen paired (points in Super Bowl, number of new cars sold) values for the random
Chapter 9 Inferences from Two Samples
9-2 Inferences About Two Proportions 1. There are two requirements for using the methods of this section, and each of them is violated. (1) The samples should be two sample random samples that are independent. These s
ASSIGNMENT #2, DUE: TUES: 8/29
1. Fill in the blanks to make a true statement:
Quantitative data can be either discrete or continuous.
2. Fill in the blank with either quantitative or qualitative:
ASSIGNMENT #1, DUE: TUES: 8/27
1. Explain the concept of population and sample?
Population is each and every single unit you are studying. A sample is simply a smaller amount
that you sample to study.
Introduction to Statistical Thought
January 7, 2006
c 2005 by Michael Lavine
List of Figures
List of Tables
1.1 Basic Probability . . . . . . . . . . . . . . .
1.2 Probability Densiti
The Planning Process
AP Statistics - Chapter 5A Extra Practice
1. An airplane has a front and a rear door that are both opened to allow passengers to exit when the plane lands. The
plane has 100 passengers seated. The number of passengers exiting through the front door should
Assignment #5, Due: Tues. 9/10
II. Answer in full sentences:
1. How are graphs sometimes made to deceive? If the graph does not start at 0 then it can
skew the results to appear to have drastic changes when in ac
Objective of this project: For students to demonstrate understanding of the concepts learned
by using real life data. My feeling is if you own the data the concepts will take on some real
meaning for you and you will understand how to apply
TERM PROJECT ASSIGNMENTS
1) The First Day Survey is due on Thurs. 8/22. I will then organize the data and upload it, please print out
and place it in your Term Project folder.
2) Using the data in the t
Introductory Statistics - Assignments 1- 5 - Fall 2013
Covered in Class
1.2 - 1.3
-Reread your notes from class
Get all supplies and get organized, reviewing all disk
1. Since both groups are not the same size, pure counts would not make sense to
compare. However, with percentages you can easily compare both groups together.
2. Using the table:
a. 39.5, 59.5 Class Boun
Assignment #3, Due: Tues.9/3:
1. What level of measurement is frequency? Explain.
The number of original values that fall into each class.
2. When making our own frequency table how do we know how many places
Assignment #4, Due: Thurs. 9/5
II. Answer in full sentences:
1. Classify the histograms below as skewed to the left, skewed to the right or approximately
symmetric. Explain the reasons for your answers.
1. Double Blind Experiment An experiment where the subjects are unaware and also the
test giver is unaware who out of the sample is receiving what. Placebo Effect When no
treatment is given but the subjec
Stats Data Generated from our First Day Survey:
Central Limit Theorem Exercises
1- Seventy independent messages are sent from an electronic transmission center.
Messages are processed sequentially, one after another. Transmission time of
each message is Exponential and with a mean of 0.2 minutes. Find
EM 723: MONTE CARLO
History of the Monte Carlo Method
Monte Carlo is an approximation method based on sampling.
Generally accepted birth date of the Monte Carlo method is 1949, when an
article entitled The Monte Carlo me
Chapter 12 Analysis of Variance
12-2 One-Way ANOVA 1. a. One-way analysis of variance is appropriate for these data because they represent three or more populations categorized by a single characteristic that distinguishes the populations from each other.
Chapter 11 Goodness-of-Fit and Contingency Tables
11-2 Goodness-of-Fit 1. When digits are randomly generated, they should form a uniform distribution i.e., a distribution in which each of the digits is equally likely. The test for goodness-of-fit is a tes
Chapter 8 Hypothesis Testing
8-2 Basics of Hypothesis Testing 1. Given the large sample size and the fact that 20% is so much less than 50%, it is apparent that any confidence interval for the proportion of bosses that are good communicators would fall en
Chapter 7 Estimates and Sample Sizes
7-2 Estimating a Population Proportion 1. The confidence level was not stated. The most common level of confidence is 95%, and sometimes that level is carelessly assumed without actually being stated. 2. The margin of
Chapter 6 Normal Probability Distributions
6-2 The Standard Normal Distribution 1. The word normal as used when referring to a normal distribution does carry with it some of the meaning the word has in ordinary language. Normal distributions occur in natu
Chapter 5 Discrete Probability Distributions
5-2 Random Variables 1. As defined in the text, a random variable is a variable that takes on a single numerical value, determined by chance, for each outcome of a procedure. In this exercise, the random variab
Chapter 4 Probability
4-2 Basic Concepts of Probability 1. To say that the probability of being injured while using recreation equipment in 1/500 means that approximately one injury occurs for every 500 times that recreation equipment is used. Note that t