Question 1

A ____________ variable can have values that are numbers on the real number line.

Accepted Answer

A) Qualitative 
B) Quantitative 
C) Categorical 
D) Nominative 
A) Qualitative 
B) Quantitative 
C) Categorical 
D) Nominative B

Question 2

A(n)____________ variable can have values that indicate into which of several categories of a population it belongs.

Accepted Answer

A) Qualitative 
B) Quantitative 
C) Ratio 
D) Interval 
A) Qualitative 
B) Quantitative 
C) Ratio 
D) Interval A

Question 3

A person's telephone area code is an example of a(n)_____________ variable.

Accepted Answer

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

Question 4

Which of the following is a categorical variable?

Accepted Answer

A) Air temperature 
B) Bank account balance 
C) Daily sales in a store 
D) Whether a person has a traffic violation 
E) Value of company stock 
A) Air temperature 
B) Bank account balance 
C) Daily sales in a store 
D) Whether a person has a traffic violation 
E) Value of company stock

Question 5

Any characteristic of an element is called a ____________.

Accepted Answer

A) Set 
B) Process 
C) Variable 
D) Census 
A) Set 
B) Process 
C) Variable 
D) Census

Question 6

A random sample is selected so that every element in the population has the same chance of being included in the sample.

Accepted Answer

A) True 
 B)False

Question 7

A ratio variable has the following characteristic:

Accepted Answer

A) Meaningful order 
B) Inherently defined zero value 
C) Categorical in nature 
D) Predictable 
A) Meaningful order 
B) Inherently defined zero value 
C) Categorical in nature 
D) Predictable

Question 8

A ____________ is a subset of the units in a population.

Accepted Answer

A) Census 
B) Process 
C) Sample 
D) Variable 
A) Census 
B) Process 
C) Sample 
D) Variable

Question 9

The change in the daily price of a stock is what type of variable?

Accepted Answer

A) Qualitative 
B) Ordinal 
C) Random 
D) Quantitative 
A) Qualitative 
B) Ordinal 
C) Random 
D) Quantitative

Question 10

A sequence of operations that takes inputs and turns them into outputs is a ____________.

Accepted Answer

A) Process 
B) Statistical inference 
C) Runs plot 
D) Random sampling 
A) Process 
B) Statistical inference 
C) Runs plot 
D) Random sampling

Question 11

___________ refers to describing the important aspects of a set of measurements.

Accepted Answer

A) Cross-sectional analysis 
B) Runs plot 
C) Descriptive statistics 
D) Time series analysis 
A) Cross-sectional analysis 
B) Runs plot 
C) Descriptive statistics 
D) Time series analysis

Question 12

Jersey numbers of soccer players is an example of a(n)___________ variable.

Accepted Answer

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

Question 13

A study is being conducted on the effect of gas price on the number of miles driven in a given month.Residents in two cities,one on the East Coast and one on the West Coast are randomly selected and asked to complete a questionnaire on the type of car they drive,the number of miles they live from work,the number of children under 18 in their household,their monthly income,and the number of miles they have driven over the past 30 days.List the factor(s).

Accepted Answer

Factors in this study are loca

Question 14

Time series data are data collected at the same time period.

Accepted Answer

A) True 
 B)False

Question 15

Secondary data are data taken from an existing source.

Accepted Answer

A) True 
 B)False

Question 16

A population is a set of existing units.

Accepted Answer

A) True 
 B)False

Question 17

When the data being studied are gathered from a published source,this is referred to as a(n)_______________.

Accepted Answer

A) Existing data source 
B) Observational data source 
C) Experimental data source 
D) Cross-sectional data source 
A) Existing data source 
B) Observational data source 
C) Experimental data source 
D) Cross-sectional data source

Question 18

Processes produce outputs over time.

Accepted Answer

A) True 
 B)False

Question 19

A quantitative variable can also be referred to as a categorical variable.

Accepted Answer

A) True 
 B)False

Question 20

Primary data are data collected by an individual.

Accepted Answer

A) True 
 B)False

A ____________ variable can have values that are numbers on the real number line.

A(n)____________ variable can have values that indicate into which of several categories of a population it belongs.

A person's telephone area code is an example of a(n)_____________ variable.

Which of the following is a categorical variable?

Any characteristic of an element is called a ____________.

A random sample is selected so that every element in the population has the same chance of being included in the sample.

A ratio variable has the following characteristic:

A ____________ is a subset of the units in a population.

The change in the daily price of a stock is what type of variable?

A sequence of operations that takes inputs and turns them into outputs is a ____________.

___________ refers to describing the important aspects of a set of measurements.

Jersey numbers of soccer players is an example of a(n)___________ variable.

Time series data are data collected at the same time period.

Secondary data are data taken from an existing source.

A population is a set of existing units.

When the data being studied are gathered from a published source,this is referred to as a(n)_______________.

Processes produce outputs over time.

A quantitative variable can also be referred to as a categorical variable.

Primary data are data collected by an individual.

Descriptive Statistics: Tabular and Graphical Methods

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Process Improvement Using Control Charts

Filters

Exam 1: An Introduction to Business Statistics

A ____________ variable can have values that are numbers on the real number line.

A(n)____________ variable can have values that indicate into which of several categories of a population it belongs.

A person's telephone area code is an example of a(n)_____________ variable.

Which of the following is a categorical variable?

Any characteristic of an element is called a ____________.

A random sample is selected so that every element in the population has the same chance of being included in the sample.

A ratio variable has the following characteristic:

A ____________ is a subset of the units in a population.

The change in the daily price of a stock is what type of variable?

A sequence of operations that takes inputs and turns them into outputs is a ____________.

___________ refers to describing the important aspects of a set of measurements.

Jersey numbers of soccer players is an example of a(n)___________ variable.

Time series data are data collected at the same time period.

Secondary data are data taken from an existing source.

A population is a set of existing units.

When the data being studied are gathered from a published source,this is referred to as a(n)_______________.

Processes produce outputs over time.

A quantitative variable can also be referred to as a categorical variable.

Primary data are data collected by an individual.

Descriptive Statistics: Tabular and Graphical Methods

Descriptive Statistics: Numerical Methods

Probability

Discrete Random Variables

Continuous Random Variables

Sampling and Sampling Distributions

Confidence Intervals

Hypothesis Testing

Statistical Inferences Based on Two Samples

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Process Improvement Using Control Charts

Filters