Test Bank For S TATISTICS : T HE A RT AND
S CIENCE OF L EARNING FROM D ATA THIRD
EDITION Alan Agresti Christine Franklin
Answers At The End Of Each Chapter
,Chapter 1 Exam A
Name
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Answer true or false.
1) One method of learning about the impact of randomness and variability 1)
from sample to sample is simulation.
A) True B) False
Provide an appropriate response.
2) A survey of 1500 American households found that 33% of the respondents 2)
own a computer. Is this value a parameter or a statistic?
A) statistic B) parameter
SHORT ANSWER. Write the word or phrase that best completes each statement or
answers the question.
Fill in the blank.
3) The three main aspects of statistics are , , 3)
and
.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Answer true or false.
4) A large company would like to know what percentage of itʹs employees 4)
would utilize an on -site daycare facility. Rather than asking itʹs 5000
employees, each employee is assigned a number from 1 to 5000 and then
a computer program is used to randomly select 100 numbers between 1
and 5000. These employees are then contacted and asked whether they
would use an on -site daycare facility. The method used to collect the
sample of 100 responses produces a random sample.
A) False B) True
SHORT ANSWER. Write the word or phrase that best completes each statement or
,answers the question.
Fill in the blank.
5) The basis of is that each subject in the population 5)
has the same chance of being in the sample.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Answer true or false.
6) Descriptive statistics refers to methods of making decisions or 6)
predictions about a population, based on data obtained from a sample
of that population; while inferential statistics refers to methods for
summarizing the data.
A) True B) False
, SHORT ANSWER. Write the word or phrase that best completes each statement or
answers the question.
Provide an appropriate response.
7) Drug X, a drug that claims to treat male pattern scalp hair loss, was 7)
administered for 12 months to over 1800 men aged 18 to 41 with
mild to moderate amounts of ongoing hair loss. Whether they
were receiving drug X or a placebo (a pill containing no
medication), all men were given a medicated shampoo. In general,
men who took drug X maintained or increased the number of
visible scalp hairs; while scalp hair counts in men who took the
placebo continued to decrease. This concluded that drug X is
effective in maintaining or increasing the amount of scalp hair in
men. Which statement of this example can be referred to as
descriptive statistics?
8) A recent poll asked 1,245 registered voters nationwide, ʺWhich 8)
party do you think can do a better job of handling immigration
issues?ʺ 31% of the respondents answered ʺRepublicans.ʺ With a
margin of error of ±3%, it is estimated that between 28 and 34
percent of registered voters nationwide feel that the Republican
party can do a better job of handling immigration issues. Identify
which part of this example is inferential.
9) Every year the U.S. Census Bureau releases the Current Population 9)
Report based on a survey of 50,000 households within the United
States. Identify the population, the sample, and the subjects for this
study.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Select the most appropriate answer.
10) A short application program for performing a specific 10)
task is called a/an
A) time series.
B) parameter.
C) applet.
D) None of these.
E) sampling.
Answer true or false. 11) I
S CIENCE OF L EARNING FROM D ATA THIRD
EDITION Alan Agresti Christine Franklin
Answers At The End Of Each Chapter
,Chapter 1 Exam A
Name
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Answer true or false.
1) One method of learning about the impact of randomness and variability 1)
from sample to sample is simulation.
A) True B) False
Provide an appropriate response.
2) A survey of 1500 American households found that 33% of the respondents 2)
own a computer. Is this value a parameter or a statistic?
A) statistic B) parameter
SHORT ANSWER. Write the word or phrase that best completes each statement or
answers the question.
Fill in the blank.
3) The three main aspects of statistics are , , 3)
and
.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Answer true or false.
4) A large company would like to know what percentage of itʹs employees 4)
would utilize an on -site daycare facility. Rather than asking itʹs 5000
employees, each employee is assigned a number from 1 to 5000 and then
a computer program is used to randomly select 100 numbers between 1
and 5000. These employees are then contacted and asked whether they
would use an on -site daycare facility. The method used to collect the
sample of 100 responses produces a random sample.
A) False B) True
SHORT ANSWER. Write the word or phrase that best completes each statement or
,answers the question.
Fill in the blank.
5) The basis of is that each subject in the population 5)
has the same chance of being in the sample.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Answer true or false.
6) Descriptive statistics refers to methods of making decisions or 6)
predictions about a population, based on data obtained from a sample
of that population; while inferential statistics refers to methods for
summarizing the data.
A) True B) False
, SHORT ANSWER. Write the word or phrase that best completes each statement or
answers the question.
Provide an appropriate response.
7) Drug X, a drug that claims to treat male pattern scalp hair loss, was 7)
administered for 12 months to over 1800 men aged 18 to 41 with
mild to moderate amounts of ongoing hair loss. Whether they
were receiving drug X or a placebo (a pill containing no
medication), all men were given a medicated shampoo. In general,
men who took drug X maintained or increased the number of
visible scalp hairs; while scalp hair counts in men who took the
placebo continued to decrease. This concluded that drug X is
effective in maintaining or increasing the amount of scalp hair in
men. Which statement of this example can be referred to as
descriptive statistics?
8) A recent poll asked 1,245 registered voters nationwide, ʺWhich 8)
party do you think can do a better job of handling immigration
issues?ʺ 31% of the respondents answered ʺRepublicans.ʺ With a
margin of error of ±3%, it is estimated that between 28 and 34
percent of registered voters nationwide feel that the Republican
party can do a better job of handling immigration issues. Identify
which part of this example is inferential.
9) Every year the U.S. Census Bureau releases the Current Population 9)
Report based on a survey of 50,000 households within the United
States. Identify the population, the sample, and the subjects for this
study.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement
or answers the question.
Select the most appropriate answer.
10) A short application program for performing a specific 10)
task is called a/an
A) time series.
B) parameter.
C) applet.
D) None of these.
E) sampling.
Answer true or false. 11) I
