Question 1

Ratio data has all the properties of interval data, plus a natural zero point, allowing for legitimate ratio comparisons.

Accepted Answer

A) True 
 B)False  True

Question 2

Which of the following best describes the role of probability theory:

Accepted Answer

A) it is the link between descriptive statistics and inferential statistics 
B) it is the link between statistics and data 
C) it explains the role of chance in everyday events 
D) it is used to describe various distributions of data 
E) all of the above 
A) it is the link between descriptive statistics and inferential statistics 
B) it is the link between statistics and data 
C) it explains the role of chance in everyday events 
D) it is used to describe various distributions of data 
E) all of the above A

Question 3

Statistics is the art and science of collecting, analyzing, interpreting, and presenting data in an effort to transform that data into useful information.

Accepted Answer

A) True 
 B)False  True

Question 4

Statistics is the art and science of collecting, analyzing, and interpreting data.

Accepted Answer

A) True 
 B)False

Question 5

Income is an example of

Accepted Answer

A) qualitative data 
B) either qualitative or quantitative data 
C) dollar data 
D) quantitative data 
E) none of the above 
A) qualitative data 
B) either qualitative or quantitative data 
C) dollar data 
D) quantitative data 
E) none of the above

Question 6

For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student.In this case data are:

Accepted Answer

A) qualitative 
B) quantitative 
C) either qualitative or quantitative 
D) neither qualitative nor quantitative 
E) time series 
A) qualitative 
B) quantitative 
C) either qualitative or quantitative 
D) neither qualitative nor quantitative 
E) time series

Question 7

Data collected at, or representing, the same point in time are:

Accepted Answer

A) cross-sectional data 
B) time cross-sectional data 
C) time series data 
D) time controlled data 
E) none of the above 
A) cross-sectional data 
B) time cross-sectional data 
C) time series data 
D) time controlled data 
E) none of the above

Question 8

Data measured on an interval scale cannot be rank-ordered.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following best describes the term "data":

Accepted Answer

A) facts or figures that are subject to summarization, analysis, and presentation 
B) a collection of data with some common characteristic 
C) the entities on which data are collected 
D) a particular characteristic of interest for the elements 
E) the set of measurements collected for a particular element 
A) facts or figures that are subject to summarization, analysis, and presentation 
B) a collection of data with some common characteristic 
C) the entities on which data are collected 
D) a particular characteristic of interest for the elements 
E) the set of measurements collected for a particular element

Question 10

Which of the following is that branch of statistics that focuses on summarizing and presenting data:

Accepted Answer

A) inferential statistics 
B) descriptive statistics 
C) statistical inference 
D) report generation 
E) none of the above 
A) inferential statistics 
B) descriptive statistics 
C) statistical inference 
D) report generation 
E) none of the above

Question 11

The primary goal of statistics is to select data to support a particular position.

Accepted Answer

A) True 
 B)False

Question 12

Distinguish between time series data and cross-sectional data.

Accepted Answer

A) time series data and cross-sectional are essentially the same. 
B) time series data are collected at or represent the same point in time. 
C) cross-sectional data are collected over time or represent values in two or more time periods. 
D) time series data are collected over time or represent values in two or more time periods. 
E) a and c 
A) time series data and cross-sectional are essentially the same. 
B) time series data are collected at or represent the same point in time. 
C) cross-sectional data are collected over time or represent values in two or more time periods. 
D) time series data are collected over time or represent values in two or more time periods. 
E) a and c

Question 13

Descriptive statistics focuses on summarizing data while inferential statistics deals with the selection and use of sample data to produce information about the larger population from which the sample was selected.

Accepted Answer

A) True 
 B)False

Question 14

Which variables below are qualitative rather than quantitative?

Accepted Answer

A) time to complete a job (hours) 
B) number of friends 
C) altitude (feet) 
D) zip code 
E) hourly wage ($) 
A) time to complete a job (hours) 
B) number of friends 
C) altitude (feet) 
D) zip code 
E) hourly wage ($)

Question 15

Descriptive statistics focuses on summarizing and presenting data, and includes tables and graphs as well as numerical statistics.

Accepted Answer

A) True 
 B)False

Question 16

What is the order of the four activities related to data involved in statistics?

Accepted Answer

A) collecting, analyzing, interpreting, and presenting 
B) collecting, interpreting, analyzing, and presenting 
C) analyzing, collecting, presenting, and interpreting 
D) analyzing, presenting, interpreting, and collecting 
E) interpreting, collecting, analyzing, and presenting 
A) collecting, analyzing, interpreting, and presenting 
B) collecting, interpreting, analyzing, and presenting 
C) analyzing, collecting, presenting, and interpreting 
D) analyzing, presenting, interpreting, and collecting 
E) interpreting, collecting, analyzing, and presenting

Question 17

Numeric data are always quantitative.

Accepted Answer

A) True 
 B)False

Question 18

Data collected over several time periods are:

Accepted Answer

A) time series data 
B) time controlled data 
C) cross-sectional data 
D) timed cross-sectional data 
E) none of the above 
A) time series data 
B) time controlled data 
C) cross-sectional data 
D) timed cross-sectional data 
E) none of the above

Question 19

Time series data are data collected at, or representing, the same point in time.

Accepted Answer

A) True 
 B)False

Question 20

Which variable(s) below are qualitative rather than quantitative?

Accepted Answer

A) telephone number 
B) PIN number 
C) speed (mph) 
D) both a and b 
E) both a and c 
A) telephone number 
B) PIN number 
C) speed (mph) 
D) both a and b 
E) both a and c

Ratio data has all the properties of interval data, plus a natural zero point, allowing for legitimate ratio comparisons.

Which of the following best describes the role of probability theory:

Statistics is the art and science of collecting, analyzing, interpreting, and presenting data in an effort to transform that data into useful information.

Statistics is the art and science of collecting, analyzing, and interpreting data.

Income is an example of

For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student.In this case data are:

Data collected at, or representing, the same point in time are:

Data measured on an interval scale cannot be rank-ordered.

Which of the following best describes the term "data":

Which of the following is that branch of statistics that focuses on summarizing and presenting data:

The primary goal of statistics is to select data to support a particular position.

Distinguish between time series data and cross-sectional data.

Descriptive statistics focuses on summarizing data while inferential statistics deals with the selection and use of sample data to produce information about the larger population from which the sample was selected.

Which variables below are qualitative rather than quantitative?

Descriptive statistics focuses on summarizing and presenting data, and includes tables and graphs as well as numerical statistics.

What is the order of the four activities related to data involved in statistics?

Numeric data are always quantitative.

Data collected over several time periods are:

Time series data are data collected at, or representing, the same point in time.

Which variable(s) below are qualitative rather than quantitative?

Descriptive Statistics I: Elementary Data Presentation and Description

Descriptive Statistics II: Additional Descriptive Measures and Data Displays

Probability

Discrete Probability Distributions

Continuous Probability Distributions

Statistical Inference: Estimating a Population Mean

Interval Estimates for Proportions, Mean Differences and Proportion Differences

Statistical Hypothesis Testing: Hypothesis Tests for a Population Mean

Hypothesis Tests for Proportions, Mean Differences and Proportion Differences

Basic Regression Analysis

Multiple Regression

F Tests and Analysis of Variance

Experimental Designonline Only

Chi-Square Tests

Filters

Exam 1: An Introduction to Statistics

Ratio data has all the properties of interval data, plus a natural zero point, allowing for legitimate ratio comparisons.

Which of the following best describes the role of probability theory:

Statistics is the art and science of collecting, analyzing, interpreting, and presenting data in an effort to transform that data into useful information.

Statistics is the art and science of collecting, analyzing, and interpreting data.

Income is an example of

For ease of data entry into a university database, 1 denotes that the student is an undergraduate and 2 indicates that the student is a graduate student.In this case data are:

Data collected at, or representing, the same point in time are:

Data measured on an interval scale cannot be rank-ordered.

Which of the following best describes the term "data":

Which of the following is that branch of statistics that focuses on summarizing and presenting data:

The primary goal of statistics is to select data to support a particular position.

Distinguish between time series data and cross-sectional data.

Descriptive statistics focuses on summarizing data while inferential statistics deals with the selection and use of sample data to produce information about the larger population from which the sample was selected.

Which variables below are qualitative rather than quantitative?

Descriptive statistics focuses on summarizing and presenting data, and includes tables and graphs as well as numerical statistics.

What is the order of the four activities related to data involved in statistics?

Numeric data are always quantitative.

Data collected over several time periods are:

Time series data are data collected at, or representing, the same point in time.

Which variable(s) below are qualitative rather than quantitative?

Descriptive Statistics I: Elementary Data Presentation and Description

Descriptive Statistics II: Additional Descriptive Measures and Data Displays

Probability

Discrete Probability Distributions

Continuous Probability Distributions

Statistical Inference: Estimating a Population Mean

Interval Estimates for Proportions, Mean Differences and Proportion Differences

Statistical Hypothesis Testing: Hypothesis Tests for a Population Mean

Hypothesis Tests for Proportions, Mean Differences and Proportion Differences

Basic Regression Analysis

Multiple Regression

F Tests and Analysis of Variance

Experimental Designonline Only

Chi-Square Tests

Filters