Question 1

When a marketing manager surveys a few of the customers for the purpose of drawing a conclusion about the entire list of customers,she is applying:

Accepted Answer

A) inferential statistics. 
B) descriptive statistics. 
C) quantitative models. 
D) numerical measures.

Question 2

The summaries of data,which may be in forms of tabular,graphical,or numerical,are referred to as:

Accepted Answer

A) inferential statistics. 
B) descriptive statistics. 
C) statistical inference. 
D) report generation.

Question 3

A college data base includes the number of people who are enrolled in each class the college offers.This is an example of:

Accepted Answer

A) nominal data. 
B) ordinal data. 
C) interval data. 
D) ratio data.

Question 4

As a member of the student council at your university,you have been assigned the task of conducting a phone survey of undergraduate students to determine satisfaction with the campus food service.Explain how you would go about selecting a simple random sample.

Accepted Answer

The answer of As a member of the student council...

Question 5

If a state agency wishes to conduct on-site surveys of small businesses throughout the state,cluster sampling could potentially be used to reduce the geographical area over which the surveys would need to be conducted.

Accepted Answer

A) True 
 B)False

Question 6

The company that makes a new weight loss pill claims that people who use this pill according to instructions will lose an average of 20 pounds during a four-month period.They say the claim is based on a study of 300 people.Which of the following statistical methods was most likely used to arrive at the company's conclusion?

Accepted Answer

A) Estimation 
B) Hypothesis testing 
C) Histograms 
D) Bar charts

Question 7

Hypothesis testing and estimation are two statistical tools that are used to draw inferences about a large data set based on a subset of the data.

Accepted Answer

A) True 
 B)False

Question 8

Companies frequently use charts and graphs in their regular communications with stockholders and investors;this shows the use of descriptive statistics.

Accepted Answer

A) True 
 B)False

Question 9

The First National Bank mailed out a survey to all 3,456 savings account customers.A total of 568 surveys were returned.Values computed from the returned surveys would constitute parameters since all 568 customers were surveyed.

Accepted Answer

A) True 
 B)False

Question 10

When a group of university students takes a poll of their fellow students on whether they support a proposed fee increase,the sampling method they would use when students walking near the library are surveyed would be called a random sample.

Accepted Answer

A) True 
 B)False

Question 11

Open-end questions are typically included in a survey when the objective is to provide the maximum opportunity for the respondent to express his or her opinion.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following statements is true?

Accepted Answer

A) Random samples are easier to select than nonstatistical samples. 
B) Nonstatistical samples can provide useful data. 
C) Stratified random sampling involves breaking the population down into geographic subgroups. 
D) Systematic sampling is an example of nonstatistical sampling.

Question 13

Explain the difference between stratified random sampling and cluster random sampling.

Accepted Answer

The answer of Explain the difference between stratified random sampling...

Question 14

Statistics are measures computed from the entire population of data.

Accepted Answer

A) True 
 B)False

Question 15

Data collected on the Internet can generally be considered accurate since the data must go through a screening process before they can be placed on the Internet.

Accepted Answer

A) True 
 B)False

Question 16

The Georgia Company,a pharmaceutical company,recently conducted a study in which 20 people were given a new drug and 20 other people were given a placebo.The objective was to determine whether there was a difference in pain relief between those using the new drug versus those using the placebo.The data collection used here is an example of an experiment.

Accepted Answer

A) True 
 B)False

Question 17

Selection bias occurs when the respondent decides which of the questions on the survey to answer.

Accepted Answer

A) True 
 B)False

Question 18

An Internet service provider has the capability of tracking the time that each of its customers spends connected to the Internet during a month.These data would constitute:

Accepted Answer

A) a simple random sample. 
B) a convenience sample. 
C) a cluster sample. 
D) a population.

Question 19

A consumer products company is considering introducing a new product nationally.To help make the decision,it first conducts a test market by selling the product for a few months in one city.This is an example of:

Accepted Answer

A) descriptive statistics. 
B) charts and graphs. 
C) estimation. 
D) hypothesis testing.

Question 20

An Internet service provider wants to determine its level of customer satisfaction.The best data collection method to obtain the results most quickly is:

Accepted Answer

A) experiment. 
B) telephone survey. 
C) mailed survey. 
D) personal interview.

Exam 1: The Where,Why,and How of Data Collection

When a marketing manager surveys a few of the customers for the purpose of drawing a conclusion about the entire list of customers,she is applying:

The summaries of data,which may be in forms of tabular,graphical,or numerical,are referred to as:

A college data base includes the number of people who are enrolled in each class the college offers.This is an example of:

As a member of the student council at your university,you have been assigned the task of conducting a phone survey of undergraduate students to determine satisfaction with the campus food service.Explain how you would go about selecting a simple random sample.

If a state agency wishes to conduct on-site surveys of small businesses throughout the state,cluster sampling could potentially be used to reduce the geographical area over which the surveys would need to be conducted.

Hypothesis testing and estimation are two statistical tools that are used to draw inferences about a large data set based on a subset of the data.

Companies frequently use charts and graphs in their regular communications with stockholders and investors;this shows the use of descriptive statistics.

The First National Bank mailed out a survey to all 3,456 savings account customers.A total of 568 surveys were returned.Values computed from the returned surveys would constitute parameters since all 568 customers were surveyed.

When a group of university students takes a poll of their fellow students on whether they support a proposed fee increase,the sampling method they would use when students walking near the library are surveyed would be called a random sample.

Open-end questions are typically included in a survey when the objective is to provide the maximum opportunity for the respondent to express his or her opinion.

Which of the following statements is true?

Explain the difference between stratified random sampling and cluster random sampling.

Statistics are measures computed from the entire population of data.

Data collected on the Internet can generally be considered accurate since the data must go through a screening process before they can be placed on the Internet.

Selection bias occurs when the respondent decides which of the questions on the survey to answer.

An Internet service provider has the capability of tracking the time that each of its customers spends connected to the Internet during a month.These data would constitute:

A consumer products company is considering introducing a new product nationally.To help make the decision,it first conducts a test market by selling the product for a few months in one city.This is an example of:

An Internet service provider wants to determine its level of customer satisfaction.The best data collection method to obtain the results most quickly is: