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,MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or
answers the question.
Solve the problem.
1) In a sample of 775 senior citizens,
1)
approximately 67% said that they had seen a
television commercial for life insurance.
About how many senior citizens is this?
A) Not enough information available. B) 519
C) 67 D) 256
Answer: B
2) A two-way table could be used for which of the following pairs
of variables? 2)
A) Gender and age B) Age and favorite class
C) Gender and favorite class D) Age
and height Answer: C
Indicate whether the study described is an observational
study or a controlled experiment.
3) "People with diabetes are at higher risk for 3)
certain cancers than those without the blood
sugar disease, suggests a new study based on a
telephone survey of nearly 400,000 adults."
A) Controlled experiment B)
Observational study Answer: B
SHORT ANSWER. Write the word or phrase that best
completes each statement or answers the question.
Answer the question. in
4) The number of clinically obese men in State A is
Stat
156,261 and the number of clinically obese men
1
,e B is 294,269. Someone makes the claim that this
is evidence that men exercise more in State A. 4)
What information is missing that might
contradict this claim?
Answer: We need to know the total number of
men in State A and State B so that a
comparison can be made of the percentage
of the men in each state that are clinically
obese. There could be a much higher male
population in State B than State A. Also,
assumptions about exercise and obesity are
being made.
2
, MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Use the data in Table 1A to answer the question.
Note: 1 is female, 0 is male.
5) Suppose you wanted to know whether the 5)
student's commute distance was associated with
the student's living situation. Using the data
table if possible, which variables would you use?
A) Use Commute Distance (Miles) and Living
Situation.
B) Data on student's living situation are not
included in this study.
C) Use Commute Distance (Miles) and College
Units Acquired.
D) Use College Units
Acquired and Living
Situation. Answer: A
In a study of 1350 elementary school children, 118 out of the 615
girls in the study said they want to be a teacher when they
grow up.
6) What percent of girls want to be a teacher when they grow up?
3
,MULTIPLE CHOICE.
Choose the one alternative that best completes the statement or
answers the question.
Solve the problem.
1) In a sample of 775 senior citizens,
1)
approximately 67% said that they had seen a
television commercial for life insurance.
About how many senior citizens is this?
A) Not enough information available. B) 519
C) 67 D) 256
Answer: B
2) A two-way table could be used for which of the following pairs
of variables? 2)
A) Gender and age B) Age and favorite class
C) Gender and favorite class D) Age
and height Answer: C
Indicate whether the study described is an observational
study or a controlled experiment.
3) "People with diabetes are at higher risk for 3)
certain cancers than those without the blood
sugar disease, suggests a new study based on a
telephone survey of nearly 400,000 adults."
A) Controlled experiment B)
Observational study Answer: B
SHORT ANSWER. Write the word or phrase that best
completes each statement or answers the question.
Answer the question. in
4) The number of clinically obese men in State A is
Stat
156,261 and the number of clinically obese men
1
,e B is 294,269. Someone makes the claim that this
is evidence that men exercise more in State A. 4)
What information is missing that might
contradict this claim?
Answer: We need to know the total number of
men in State A and State B so that a
comparison can be made of the percentage
of the men in each state that are clinically
obese. There could be a much higher male
population in State B than State A. Also,
assumptions about exercise and obesity are
being made.
2
, MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
Use the data in Table 1A to answer the question.
Note: 1 is female, 0 is male.
5) Suppose you wanted to know whether the 5)
student's commute distance was associated with
the student's living situation. Using the data
table if possible, which variables would you use?
A) Use Commute Distance (Miles) and Living
Situation.
B) Data on student's living situation are not
included in this study.
C) Use Commute Distance (Miles) and College
Units Acquired.
D) Use College Units
Acquired and Living
Situation. Answer: A
In a study of 1350 elementary school children, 118 out of the 615
girls in the study said they want to be a teacher when they
grow up.
6) What percent of girls want to be a teacher when they grow up?
3
