Question 1

The Nielsen Ratings break down the number of people watching a particular television show by age. Age is what level of measurement?

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio 
A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio

Question 2

Statistics are used to report the summary results of market surveys.

Accepted Answer

A) True 
 B)False

Question 3

The performance of personal and business investments is measured as a percentage, "return on investment". What type of variable is "return on investment"?

Accepted Answer

A)  Qualitative 
B)  Continuous 
C)  Attribute 
D)  Discrete 
A)  Qualitative 
B)  Continuous 
C)  Attribute 
D)  Discrete

Question 4

The order that runners finish in a race would be an example of continuous data.

Accepted Answer

A) True 
 B)False

Question 5

What is a portion or part of a population called?

Accepted Answer

A)  Random survey 
B)  Sample 
C)  Tally 
D)  Frequency distribution 
A)  Random survey 
B)  Sample 
C)  Tally 
D)  Frequency distribution

Question 6

Which of the following is an example of qualitative variable?

Accepted Answer

A)  Number of children in a family 
B)  Weight of a person 
C)  Color of ink in a pen 
D)  Miles between oil changes 
A)  Number of children in a family 
B)  Weight of a person 
C)  Color of ink in a pen 
D)  Miles between oil changes

Question 7

The collection of all possible objects of interest is referred to as the ____________.

Accepted Answer

The answer of The collection of all possible objects of...

Question 8

Descriptive statistics are used to find out something about a population based on a sample.

Accepted Answer

A) True 
 B)False

Question 9

The branch of statistics that collects, analyzes and presents data is called _____________ statistics.

Accepted Answer

The answer of The branch of statistics that collects, analyzes...

Question 10

When TV advertisements report "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because the:

Accepted Answer

A)  sample was only 5 dentists. 
B)  sample of dentists is clearly explained. 
C)  advertisement does not include the total number of dentists surveyed. 
D)  conclusion is not illustrated with a graph. 
A)  sample was only 5 dentists. 
B)  sample of dentists is clearly explained. 
C)  advertisement does not include the total number of dentists surveyed. 
D)  conclusion is not illustrated with a graph.

Question 11

Data measured on a nominal scale can only be classified into categories.

Accepted Answer

A) True 
 B)False

Question 12

If we select 100 persons from 25,000 registered voters and question them about candidates and issues, the 100 persons are referred to as the population.

Accepted Answer

A) True 
 B)False

Question 13

What type of variable is the number of gallons of gasoline pumped by a filling station during a day?

Accepted Answer

A)  Qualitative 
B)  Continuous 
C)  Attribute 
D)  Discrete 
A)  Qualitative 
B)  Continuous 
C)  Attribute 
D)  Discrete

Question 14

The main purpose of descriptive statistics is to:

Accepted Answer

A)  Summarize data in a useful and informative manner. 
B)  Make inferences about a population. 
C)  Determine if the data adequately represents the population. 
D)  Gather or collect data. 
A)  Summarize data in a useful and informative manner. 
B)  Make inferences about a population. 
C)  Determine if the data adequately represents the population. 
D)  Gather or collect data.

Question 15

The monthly Consumer Price Index is called a(n) ______________.

Accepted Answer

The answer of The monthly Consumer Price Index is called...

Question 16

A marketing research agency was hired to test a new DVD player. Consumers rated it outstanding, very good, fair or poor. The level of measurement for this experiment is ordinal.

Accepted Answer

A) True 
 B)False

Question 17

The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered?

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio 
A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio

Question 18

A variable that can have any value within a specific range is called _______________.

Accepted Answer

The answer of A variable that can have any value...

Question 19

The terms descriptive statistics and inferential statistics can be used interchangeably.

Accepted Answer

A) True 
 B)False

Question 20

The final rankings of the top 20 NCAA college basketball teams are an example of which level of measurement?

Accepted Answer

A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio 
A)  Nominal 
B)  Ordinal 
C)  Interval 
D)  Ratio

The Nielsen Ratings break down the number of people watching a particular television show by age. Age is what level of measurement?

Statistics are used to report the summary results of market surveys.

The performance of personal and business investments is measured as a percentage, "return on investment". What type of variable is "return on investment"?

The order that runners finish in a race would be an example of continuous data.

What is a portion or part of a population called?

Which of the following is an example of qualitative variable?

The collection of all possible objects of interest is referred to as the ____________.

Descriptive statistics are used to find out something about a population based on a sample.

The branch of statistics that collects, analyzes and presents data is called _____________ statistics.

When TV advertisements report "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because the:

Data measured on a nominal scale can only be classified into categories.

If we select 100 persons from 25,000 registered voters and question them about candidates and issues, the 100 persons are referred to as the population.

What type of variable is the number of gallons of gasoline pumped by a filling station during a day?

The main purpose of descriptive statistics is to:

The monthly Consumer Price Index is called a(n) ______________.

A marketing research agency was hired to test a new DVD player. Consumers rated it outstanding, very good, fair or poor. The level of measurement for this experiment is ordinal.

The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered?

A variable that can have any value within a specific range is called _______________.

The terms descriptive statistics and inferential statistics can be used interchangeably.

The final rankings of the top 20 NCAA college basketball teams are an example of which level of measurement?

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Index Numbers

Time Series and Forecasting

Nonparametric Methods: Goodness-Of-Fit Tests

Nonparametric Methods: Analysis of Ranked Data

Statistical Process Control and Quality Management

An Introduction to Decision Theory

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Exam 1: What Is Statistics

The Nielsen Ratings break down the number of people watching a particular television show by age. Age is what level of measurement?

Statistics are used to report the summary results of market surveys.

The performance of personal and business investments is measured as a percentage, "return on investment". What type of variable is "return on investment"?

The order that runners finish in a race would be an example of continuous data.

What is a portion or part of a population called?

Which of the following is an example of qualitative variable?

The collection of all possible objects of interest is referred to as the ____________.

Descriptive statistics are used to find out something about a population based on a sample.

The branch of statistics that collects, analyzes and presents data is called _____________ statistics.

When TV advertisements report "2 out of 3 dentists surveyed indicated they would recommend Brand X toothpaste to their patients," an informed consumer may question the conclusion because the:

Data measured on a nominal scale can only be classified into categories.

If we select 100 persons from 25,000 registered voters and question them about candidates and issues, the 100 persons are referred to as the population.

What type of variable is the number of gallons of gasoline pumped by a filling station during a day?

The main purpose of descriptive statistics is to:

The monthly Consumer Price Index is called a(n) ______________.

A marketing research agency was hired to test a new DVD player. Consumers rated it outstanding, very good, fair or poor. The level of measurement for this experiment is ordinal.

The members of each basketball team wear numbers on their jerseys. What scale of measurement are these numbers considered?

A variable that can have any value within a specific range is called _______________.

The terms descriptive statistics and inferential statistics can be used interchangeably.

The final rankings of the top 20 NCAA college basketball teams are an example of which level of measurement?

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

Describing Data: Displaying and Exploring Data

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Index Numbers

Time Series and Forecasting

Nonparametric Methods: Goodness-Of-Fit Tests

Nonparametric Methods: Analysis of Ranked Data

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters