Question 1

An Internet-based or emailed survey is not an alternative method of data collection.

Accepted Answer

A) True 
 B)False

Question 2

Another term for the arithmetic average is the mean.

Accepted Answer

A) True 
 B)False

Question 3

A pharmaceutical company conducts a study where 50 patients are given a drug. They find that 10 percent of patients experience nausea as a side effect. This 10 percent is an example of a parameter.

Accepted Answer

A) True 
 B)False

Question 4

A market research firm that surveys customers in a shopping mall by asking various people to respond to a short survey about a new product is performing convenience sampling.

Accepted Answer

A) True 
 B)False

Question 5

Statistical inference would be used as the primary statistical tool by a quality control manager who wishes to estimate the average weight of her company's products.

Accepted Answer

A) True 
 B)False

Question 6

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

Question 7

A histogram is an example of a numerical measure.

Accepted Answer

A) True 
 B)False

Question 8

A manufacturing manager has developed a table that shows the average production volume each day for the past three weeks. The average production level is an example of a numerical measure.

Accepted Answer

A) True 
 B)False

Question 9

Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.

Accepted Answer

A) True 
 B)False

Question 10

Explain the difference between a stratified random sample and cluster random sample.

Accepted Answer

First, both sampling techniques are exam

Question 11

In election years, the polls that are conducted by such companies as Gallup and Harris typically employ stratified random sampling to reduce the number of people that will need to be surveyed.

Accepted Answer

A) True 
 B)False

Question 12

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

Question 13

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

Question 14

Which of the following is an example of graphs used to describe data?

Accepted Answer

A)  Histograms 
B)  Bar charts 
C)  Both A and B are correct. 
D)  None of the above. 
A)  Histograms 
B)  Bar charts 
C)  Both A and B are correct. 
D)  None of the above.

Question 15

In Excel, what procedure is used to select random numbers?

Accepted Answer

A)  The random numbers function 
B)  Click on the Data tab, then click on Data Analysis, then click on Sampling 
C)  Click on the Data tab, then click on Data Analysis, then click on Random Number Generation 
D)  Random numbers are not available in Excel. 
A)  The random numbers function 
B)  Click on the Data tab, then click on Data Analysis, then click on Sampling 
C)  Click on the Data tab, then click on Data Analysis, then click on Random Number Generation 
D)  Random numbers are not available in Excel.

Question 16

A parameter is the boundary on the population of interest.

Accepted Answer

A) True 
 B)False

Question 17

Which one of the following is NOT statistical sampling?

Accepted Answer

A)  Simple random sample 
B)  Stratified random sampling 
C)  Cluster sampling 
D)  Convenience sampling 
A)  Simple random sample 
B)  Stratified random sampling 
C)  Cluster sampling 
D)  Convenience sampling

Question 18

Typically, it is possible to include a larger number of questions in a phone survey than in a mail survey since it takes less time to complete the survey over the phone.

Accepted Answer

A) True 
 B)False

Question 19

Mail questionnaires typically generate poor response rates.

Accepted Answer

A) True 
 B)False

Question 20

One of the major challenges for developing a good written questionnaire or telephone survey instrument is that:

Accepted Answer

A)  nonresponses are too high. 
B)  there will always be missed data. 
C)  bias cannot be controlled. 
D)  wording can influence responses. 
A)  nonresponses are too high. 
B)  there will always be missed data. 
C)  bias cannot be controlled. 
D)  wording can influence responses.

An Internet-based or emailed survey is not an alternative method of data collection.

Another term for the arithmetic average is the mean.

A pharmaceutical company conducts a study where 50 patients are given a drug. They find that 10 percent of patients experience nausea as a side effect. This 10 percent is an example of a parameter.

A market research firm that surveys customers in a shopping mall by asking various people to respond to a short survey about a new product is performing convenience sampling.

Statistical inference would be used as the primary statistical tool by a quality control manager who wishes to estimate the average weight of her company's products.

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

A histogram is an example of a numerical measure.

A manufacturing manager has developed a table that shows the average production volume each day for the past three weeks. The average production level is an example of a numerical measure.

Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.

Explain the difference between a stratified random sample and cluster random sample.

In election years, the polls that are conducted by such companies as Gallup and Harris typically employ stratified random sampling to reduce the number of people that will need to be surveyed.

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:

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

Which of the following is an example of graphs used to describe data?

In Excel, what procedure is used to select random numbers?

A parameter is the boundary on the population of interest.

Which one of the following is NOT statistical sampling?

Typically, it is possible to include a larger number of questions in a phone survey than in a mail survey since it takes less time to complete the survey over the phone.

Mail questionnaires typically generate poor response rates.

One of the major challenges for developing a good written questionnaire or telephone survey instrument is that:

Graphs, Charts and Tablesdescribing Your Data

Describing Data Using Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Introduction to Continuous Probability Distributions

Introduction to Sampling Distributions

Estimating Single Population Parameters

Introduction to Hypothesis Testing

Estimation and Hypothesis Testing for Two Population Parameters

Hypothesis Tests and Estimation for Population Variances

Analysis of Variance

Goodness-Of-Fit Tests and Contingency Analysis

Introduction to Linear Regression and Correlation Analysis

Multiple Regression Analysis and Model Building

Analyzing and Forecasting Time-Series Data

Introduction to Nonparametric Statistics

Introducing Business Analytics

Introduction to Decision Analysis

Introduction to Quality and Statistical Process Control

Filters

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

An Internet-based or emailed survey is not an alternative method of data collection.

Another term for the arithmetic average is the mean.

A pharmaceutical company conducts a study where 50 patients are given a drug. They find that 10 percent of patients experience nausea as a side effect. This 10 percent is an example of a parameter.

A market research firm that surveys customers in a shopping mall by asking various people to respond to a short survey about a new product is performing convenience sampling.

Statistical inference would be used as the primary statistical tool by a quality control manager who wishes to estimate the average weight of her company's products.

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

A histogram is an example of a numerical measure.

A manufacturing manager has developed a table that shows the average production volume each day for the past three weeks. The average production level is an example of a numerical measure.

Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.

Explain the difference between a stratified random sample and cluster random sample.

In election years, the polls that are conducted by such companies as Gallup and Harris typically employ stratified random sampling to reduce the number of people that will need to be surveyed.

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:

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

Which of the following is an example of graphs used to describe data?

In Excel, what procedure is used to select random numbers?

A parameter is the boundary on the population of interest.

Which one of the following is NOT statistical sampling?

Typically, it is possible to include a larger number of questions in a phone survey than in a mail survey since it takes less time to complete the survey over the phone.

Mail questionnaires typically generate poor response rates.

One of the major challenges for developing a good written questionnaire or telephone survey instrument is that:

Graphs, Charts and Tablesdescribing Your Data

Describing Data Using Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Introduction to Continuous Probability Distributions

Introduction to Sampling Distributions

Estimating Single Population Parameters

Introduction to Hypothesis Testing

Estimation and Hypothesis Testing for Two Population Parameters

Hypothesis Tests and Estimation for Population Variances

Analysis of Variance

Goodness-Of-Fit Tests and Contingency Analysis

Introduction to Linear Regression and Correlation Analysis

Multiple Regression Analysis and Model Building

Analyzing and Forecasting Time-Series Data

Introduction to Nonparametric Statistics

Introducing Business Analytics

Introduction to Decision Analysis

Introduction to Quality and Statistical Process Control

Filters