Exam 1: What Is Statistics

The CIA World Factbook cited these numbers for the United States: • The birthrate is 13.66 births per 1,000 of the population. • The average life expectancy for females is 81.17 years. • Approximately 316.7 million persons reside in the United States. Each of these numbers is referred to as a statistic.

(True/False)

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Question 21

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

(True/False)

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Question 22

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

(True/False)

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Question 23

Categorizing voters as Democrats,Republicans,and Independents is an example of interval level measurement.

(True/False)

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Question 24

A survey includes a question about marital status that has the following responses: single,married,divorced,separated,or widowed. What is the scale of measurement for this question?

(Multiple Choice)

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Question 25

What type of variable is the number of robberies reported in your city?

(Multiple Choice)

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Question 26

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

(Multiple Choice)

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Question 27

There are four levels of measurement: qualitative,quantitative,discrete,and continuous.

(True/False)

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Question 28

The main purpose of descriptive statistics is to

(Multiple Choice)

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Question 29

A university wishes to conduct a student survey. In one of the questions students are asked to mark their gender as either male or female. Gender is an example of the

(Multiple Choice)

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Question 30

Shoe style is an example of what level of measurement?

(Multiple Choice)

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Question 31

An example of a qualitative variable is

(Multiple Choice)

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Question 32

What type of variable is "pounds of popcorn" served at a movie theater?

(Multiple Choice)

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Question 33

Respondents were asked,"Do you now earn more than or less than you did five years ago?" What is this level of measurement?

(Multiple Choice)

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Question 34

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

(True/False)

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Question 35

The names of the positions in a corporation,such as chief operating officer or controller,are examples of what type of variable?

(Multiple Choice)

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Question 36

The ordinal level of measurement is considered the "lowest" level of measurement.

(True/False)

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Question 37

A marketing class of 50 students evaluated the instructor using the following scale: superior,good,average,poor,or inferior. The descriptive summary showed the following survey results: 2% superior,8% good,45% average,45% poor,and 0% inferior.

(Multiple Choice)

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Question 38

Your height and weight are examples of which level of measurement?

(Multiple Choice)

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Question 39

What level of measurement is a person's "favorite sport"?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 59

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

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

Categorizing voters as Democrats,Republicans,and Independents is an example of interval level measurement.

A survey includes a question about marital status that has the following responses: single,married,divorced,separated,or widowed. What is the scale of measurement for this question?

What type of variable is the number of robberies reported in your city?

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

There are four levels of measurement: qualitative,quantitative,discrete,and continuous.

The main purpose of descriptive statistics is to

A university wishes to conduct a student survey. In one of the questions students are asked to mark their gender as either male or female. Gender is an example of the

Shoe style is an example of what level of measurement?

An example of a qualitative variable is

What type of variable is "pounds of popcorn" served at a movie theater?

Respondents were asked,"Do you now earn more than or less than you did five years ago?" What is this level of measurement?

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

The names of the positions in a corporation,such as chief operating officer or controller,are examples of what type of variable?

The ordinal level of measurement is considered the "lowest" level of measurement.

A marketing class of 50 students evaluated the instructor using the following scale: superior,good,average,poor,or inferior. The descriptive summary showed the following survey results: 2% superior,8% good,45% average,45% poor,and 0% inferior.

Your height and weight are examples of which level of measurement?

What level of measurement is a person's "favorite sport"?

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

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

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