Answers

advertisement
Question 1 of 20:
0.5
/ 0.5 Points
Can we predict blood pressure based on a person's age? A random sample of 500 people was
selected to determine the relationship between the two variables.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: E
Comment:
Attachments
No Attachment(s) yet
Question 2 of 20:
0.5
/ 0.5 Points
Do blood pressure levels change after listening to soothing music? A random sample of 500
people was selected to determine the change in blood pressure after listening to 5 minutes of
soothing, instrumental music.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: B
Comment:
Attachments
No Attachment(s) yet
Question 3 of 20:
0.5
/ 0.5 Points
Does happines depend on race? 500 random people were asked to answer True/False to the
following question: "I consider myself to be quite happy or very happy most of the time". Their
answer to the question, and the respondent's race, were tabulated.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: G
Comment:
Attachments
No Attachment(s) yet
Question 4 of 20:
0.5
/ 0.5 Points
Is there a difference in salary for different racial groups? A study compares the average salary for
Blacks, Whites and Hispanics, based on random samples of 100 people in each racial group.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
Answer Key: D
Comment:
Attachments
No Attachment(s) yet
Question 5 of 20:
0.5
/ 0.5 Points
Can we predict blood pressure based on a person's gender? Random samples of 5 males and 5
females were selected to determine the relationship between the two variables. The data
contained one outlier.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: J
Comment:
Attachments
No Attachment(s) yet
Question 6 of 20:
0.5
/ 0.5 Points
Is there a difference in salary for different racial groups? A study compares the average salary for
Blacks, Whites and Hispanics, based on samples of 10 people in each racial group. We suspect
the samples were not random.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: L
Comment:
Attachments
No Attachment(s) yet
Question 7 of 20:
0.5
/ 0.5 Points
Does happines depend on income? 500 random people were asked to rate their happiness level
on a scale of 1 to 20. Their annual income, in thousands of dollars, was also measured.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: E
Comment:
Attachments
No Attachment(s) yet
Question 8 of 20:
0.5
/ 0.5 Points
Does happines depend on income? 500 random people were asked to rank their happiness level
on a scale of 1 to 10. Their income level was also measured (low, middle or high income). The
distribution of happiness levels rankings for the three groups were compared.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: I
Comment:
Attachments
No Attachment(s) yet
Question 9 of 20:
0.5
/ 0.5 Points
Do blood pressure levels change after listening to soothing music? A random sample of 15
people was selected to determine the change in blood pressure after listening to 5 minutes of
soothing, instrumental music. There was an outlier in the data.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: K
Comment:
Attachments
No Attachment(s) yet
Question 10 of 20:
0.5
/ 0.5 Points
Does happines depend on income? 500 random people were asked to answer True/False to the
following question: "I consider myself to be quite happy or very happy most of the time". Their
annual income, in thousands of dollars, was also measured.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: H
Comment:
Attachments
No Attachment(s) yet
Question 11 of 20:
0.5
/ 0.5 Points
Does happines depend on income and age? 500 random people were asked to answer True/False
to the following question: "I consider myself to be quite happy or very happy most of the time".
Their age, in years, and their annual income, in thousands of dollars, were also measured.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: H
Comment:
Attachments
No Attachment(s) yet
Question 12 of 20:
0.5
/ 0.5 Points
Does happines depend on income and age? 500 random people were asked to rate their happiness
level on a scale of 1 to 20. Their age, in years, and their annual income, in thousands of dollars,
were also measured.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: F
Comment:
Attachments
No Attachment(s) yet
Question 13 of 20:
0.5
/ 0.5 Points
Does happines depend on income? 500 random people were asked to rank their happiness level
on a scale of 1 to 10. Their income level was also measured (low, middle or high income).
Average happiness levels for the three groups were compared.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: D
Comment:
Attachments
No Attachment(s) yet
Question 14 of 20:
0.5
/ 0.5 Points
Can we predict blood pressure based on a person's age and gender? A random sample of 500
people was selected to determine the relationship between the variables.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: F
Comment:
Attachments
No Attachment(s) yet
Question 15 of 20:
0.5
/ 0.5 Points
Does happines depend on age and gender? 500 random people were asked to answer True/False
to the following question: "I consider myself to be quite happy or very happy most of the time".
Their age, in years, and their gender were also measured.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: H
Comment:
Attachments
No Attachment(s) yet
Question 16 of 20:
0.5
/ 0.5 Points
Can we predict blood pressure based on a person's gender? A random sample of 500 people was
selected to determine the relationship between the two variables.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: C
Comment:
Attachments
No Attachment(s) yet
Question 17 of 20:
0.5
/ 0.5 Points
Does happines depend on income? 500 random people were asked to rate their happiness level
(low, medium, high). Their income level was also measured (low, middle or high income).
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: G
Comment:
Attachments
No Attachment(s) yet
Question 18 of 20:
0.5
/ 0.5 Points
Is there a difference in salary for different racial groups? A study compares the average salary for
Blacks, Whites and Hispanics, based on random samples of 10 people in each racial group. The
standard deviations of the groups were quite different.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
Answer Key: I
Comment:
Attachments
No Attachment(s) yet
Question 19 of 20:
0.5
/ 0.5 Points
Does happines depend on income? 500 random people were asked to answer True/False to the
following question: "I consider myself to be quite happy or very happy most of the time". Their
income level was also measured (low, middle or high income).
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: G
Comment:
Attachments
No Attachment(s) yet
Question 20 of 20:
0.5
/ 0.5 Points
Does happines depend on gender? 500 random people were asked to rate their happiness level on
a scale of 1 to 20. Average happiness levels for males and females were compared.
What is the simplest type of statistical analysis that would be appropriate to use to analyze this
data?
A. One sample t test
B. Matched Pairs t test
C. Two sample t test
D. ANOVA
E. Simple Linear Regression
F. Multiple Regression
G. Contingency Table
H. Logistic Regression
I. Kruskal-Wallis
J. Wilcoxon Rank-Sum Test
K. Wilcoxon Sign-Rank Test
L. None
Answer Key: C
Download