Question 1

SCENARIO 1-1
The manager of the customer service division of a major consumer electronics company is interested
in determining whether the customers who have purchased a Blu-ray player made by the company
over the past 12 months are satisfied with their products.
-Referring to Scenario 1-1, the possible responses to the question "How would you rate the quality
Of your purchase experience with 1 = excellent, 2 = good, 3 = decent, 4 = poor, 5 = terrible?"
Result in

Accepted Answer

A)  a nominal scale variable. 
B)  an ordinal scale variable. 
C)  an interval scale variable. 
D)  a ratio scale variable.

Question 2

True or False: The only way one can eliminate sampling error is to take the whole population
as the sample.

Accepted Answer

A) True 
 B)False

Question 3

Referring to Scenario 1-2, the possible responses to the question "On the scale of 1 to 100 with 1
Being extremely anxious and 100 being total not anxious, rate your level of anxiety in this U.S.
Economy" are values from a

Accepted Answer

A)  discrete numerical variable. 
B)  continuous numerical variable. 
C)  categorical variable. 
D)  table of random numbers.

Question 4

True or False: Sampling error becomes an ethical issue if the findings are purposely presented
without reference to sample size and margin of error so that the sponsor can promote a viewpoint
that might otherwise be truly insignificant.

Accepted Answer

A) True 
 B)False

Question 5

True or False: Using different frames to generate data can lead to totally different conclusions.

Accepted Answer

A) True 
 B)False

Question 6

The number of defective apples in a single box will be measured on an interval scale.

Accepted Answer

A) True 
 B)False

Question 7

In purchasing an automobile, there are a number of variables to consider.The body style of the
car (sedan, coupe, wagon, etc.)is an example of a _______ variable.

Accepted Answer

The answer of In purchasing an automobile, there are a...

Question 8

Which of the following sampling methods will more likely be susceptible to ethical violation
When used to form conclusions about the entire population?

Accepted Answer

A)  Simple random sample 
B)  Cluster sample 
C)  Systematic sample 
D)  Convenience sample

Question 9

True or False: Systematic samples are less efficient than a stratified sample.

Accepted Answer

A) True 
 B)False

Question 10

True or False: There can be only one sample selected from a population.

Accepted Answer

A) True 
 B)False

Question 11

True or False: A statistic is usually used to provide an estimate for a usually unobserved
parameter.

Accepted Answer

A) True 
 B)False

Question 12

The Dean of Students conducted a survey on campus.Number of credits currently enrolled for is
an example of a _______ numerical variable.

Accepted Answer

The answer of The Dean of Students conducted a survey...

Question 13

Which of the following is a discrete quantitative (numerical)variable?

Accepted Answer

A)  The Dow Jones Industrial average 
B)  The volume of water released from a dam 
C)  The distance you drove yesterday. 
D)  The number of employees of an insurance company

Question 14

Which of the following sampling methods will more likely be susceptible to ethical violation
When used to form conclusions about the entire population?

Accepted Answer

A)  Simple random sample 
B)  Cluster sample 
C)  Judgment sample 
D)  Stratified sample

Question 15

True or False: You stand at the main entrance to a departmental store and pick the first 20
customers that enter the store after it has opened its door for business on a single day.This is an
example of a systematic sample.

Accepted Answer

A) True 
 B)False

Question 16

The sampling process begins by locating appropriate data sources called ___________.

Accepted Answer

The answer of The sampling process begins by locating appropriate...

Question 17

Researchers are concerned that the weight of the average American school child is increasing
Implying, among other things, that children's clothing should be manufactured and marketed in
Larger sizes.If X is the weight of school children sampled in a nationwide study, then X is an
Example of

Accepted Answer

A)  a categorical variable. 
B)  a discrete variable. 
C)  a continuous variable. 
D)  a table of random numbers.

Question 18

An insurance company evaluates many numerical variables about a person before deciding on an
appropriate rate for automobile insurance.A person's age is an example of a _______ numerical
variable.

Accepted Answer

The answer of An insurance company evaluates many numerical variables...

Question 19

True or False: A convenience sample is a type of probability sample.

Accepted Answer

A) True 
 B)False

Question 20

True or False: Coverage error can become an ethical issue if a particular group is intentionally
excluded from the frame.

Accepted Answer

A) True 
 B)False

Exam 1: Defining and Collecting Data

True or False: The only way one can eliminate sampling error is to take the whole population as the sample.

Referring to Scenario 1-2, the possible responses to the question "On the scale of 1 to 100 with 1 Being extremely anxious and 100 being total not anxious, rate your level of anxiety in this U.S. Economy" are values from a

True or False: Sampling error becomes an ethical issue if the findings are purposely presented without reference to sample size and margin of error so that the sponsor can promote a viewpoint that might otherwise be truly insignificant.

True or False: Using different frames to generate data can lead to totally different conclusions.

The number of defective apples in a single box will be measured on an interval scale.

In purchasing an automobile, there are a number of variables to consider.The body style of the car (sedan, coupe, wagon, etc.)is an example of a _______ variable.

Which of the following sampling methods will more likely be susceptible to ethical violation When used to form conclusions about the entire population?

True or False: Systematic samples are less efficient than a stratified sample.

True or False: There can be only one sample selected from a population.

True or False: A statistic is usually used to provide an estimate for a usually unobserved parameter.

The Dean of Students conducted a survey on campus.Number of credits currently enrolled for is an example of a _______ numerical variable.

Which of the following is a discrete quantitative (numerical) variable?

Which of the following sampling methods will more likely be susceptible to ethical violation When used to form conclusions about the entire population?

True or False: You stand at the main entrance to a departmental store and pick the first 20 customers that enter the store after it has opened its door for business on a single day.This is an example of a systematic sample.

The sampling process begins by locating appropriate data sources called ___________.

Researchers are concerned that the weight of the average American school child is increasing Implying, among other things, that children's clothing should be manufactured and marketed in Larger sizes.If X is the weight of school children sampled in a nationwide study, then X is an Example of

An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance.A person's age is an example of a _______ numerical variable.

True or False: A convenience sample is a type of probability sample.

True or False: Coverage error can become an ethical issue if a particular group is intentionally excluded from the frame.