CHAPTER 6 HOMEWORK
We sample 20 new cars (sedans) and find the average miles per gallon (mpg)
to be 26 with a standard deviation of 1.7.
2) If we increase our sample size to 40, what is the standard e
UST 404 - HOMEWORK 1
2) Suppose you want to operationalize racism at the individual
level (the degree of racist opinions a person holds).
Operationalize this concept in two ways.
(Never racist opinion
UST 404 Fall, 2017
Practice Assignment 7
1. There are many debates about why people own animals. A researcher is interested
in if marital status and ownership of a cat or dog is somehow related. They
UST 404 Fall 2017
Extra Credit
Complete the answers to the following questions.
1. Below is data on the height and weight of a group of males. Is there a
relationship that exists between their height
Homework Problems
Bowen, Straightforward Statistics
Chapter 7 Hypothesis Testing
1. The university bookstore claims that the mean cost of textbooks it carries is $52 with a standard
deviation of $9.50
Practice Problems
Bowen, Straightforward Statistics
Chapter 5 Basic Principles of Probability.
1. Find the probability that the number obtained when a die is rolled is an odd number.
0.5
2. Which of t
Homework Problems
Bowen, Straightforward Statistics
Chapter 4 Standard Z scores.
1. For a population with = 100 and = 10 what z score corresponds to a score of X = 120; X = 90; X
= 125?
Z = (X - ) /
Homework Problems
Bowen, Straightforward Statistics
Chapter 3 Descriptive Statistics.
1. For which scale(s) of measurement can the mean be an appropriate measure of central
tendency? Select all that a
Learning Enhancer 1 Review sheet
1. The enhancer will be open for 90 minutes (1 hours).
2. The enhancer will include
A. 3 Definitions from the ones listed below
Nominal
Ordinal
Interval
Ratio
Independ
Learning Enhancer 2 Review sheet
1. I suggest that you prepare notes for the enhancer. List out what you
need to do the computations and how to do them. Identify key words to
look for in the questions
Midterm Review sheet Fall 2017
1. You will have 90 minutes for the midterm. The midterm covers material
that you saw on your first 2 learning enhancers. There should be no
confusion since you have now
Learning Enhancer 2 Review sheet
1. I suggest that you prepare notes for the enhancer. List out what you
need to do the computations and how to do them. Identify key words to
look for in the questions
Practice Problems
Bowen, Straightforward Statistics
Chapter 14 Chi-square tests for Goodness of Fit and Independence
1. Which of the following values of the chi-square distribution cannot occur?
A. 10
Final Review sheet
1. I suggest you prepare notes for this test. I have posted a folder with
material that you might need for the final. It contains a hypothesis symbol
sheet with z values and a sense
ASSIGNMENT 2
Use the table below to answer the following questions:
Valid
Missing
Protestant
Catholic
Jewish
None
Other
Total
DK
NA
Total
Total
FREQUENC
Y
PERCENT
953
333
31
140
35
1492
1
7
8
1500
63.
Practice Problems
Bowen, Straightforward Statistics
Chapter 5 Basic Principles of Probability.
1. Find the probability that the number obtained when a die is rolled is an odd number.
Die numbers (1 2
Practice Problems
Bowen, Straightforward Statistics
Chapter 12 Simple Regression
1. What are the degrees of freedom due to error for a simple linear regression with 20 observations?
A.
20
B.
22
C.
18
Practice Problems
Bowen, Straightforward Statistics
Chapter 11 Correlation.
1. Which one of the following is NOT a possible value of the correlation coefficient?
A. -.80
B. .05
C. -.17
D. 1.3
2. Two l
Homework Problems
Bowen, Straightforward Statistics
Chapter 7 Hypothesis Testing
1. The university bookstore claims that the mean cost of textbooks it carries is $52 with a standard
deviation of $9.50
UST 404 Summer, 2017
Practice Assignment 1
Page 1 of 7
Be sure to turn in a sheet with the names of those in your group so you will
receive credit for doing the project. Answers will be posted on Blac
UST 404 Summer, 2017
Practice Assignment 4
Complete the answers to the following questions.
1. Many stores run secret sales. They give out a card where you scratch
off the covering to determine what d
Page 1 of 3
UST 404 Summer 2017
Practice Assignment 2 Answers
Answers will be posted on Blackboard.
1. A researcher is interested in the number of cars that are owned by American
families. They collec
Homework Problems
Bowen, Straightforward Statistics
Chapter 3 Descriptive Statistics.
1. For which scale(s) of measurement can the mean be an appropriate measure of central
tendency? Select all that a
Homework Problems
Bowen, Straightforward Statistics
Chapter 4 Standard Z scores.
1. For a population with = 100 and = 10 what z score corresponds to a score of X = 120; X = 90; X
= 125?
X=120 (Z=2)
X=
Homework Problems
Bowen, Straightforward Statistics
Chapter 8 One sample t Test: When is unknown.
1. In what circumstances is the t statistic used instead of a z-score for a hypothesis test?
A. the t
Homework Problems
Bowen, Straightforward Statistics
Chapter 8 One sample t Test: When is unknown.
1. In what circumstances is the t statistic used instead of a z-score for a hypothesis test?
A. the t
Learning Enhancer 4
1. Use this as a practice test for Chi-Square. I will not grade this but will give
full credit for it.
2. Answers will be posted on Sunday.
UST 404 Learning Enhancer #2
Page 1 of 3
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Reproductive Health
Characteristics of Marijuana And
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Cocaine User