Question 1

A population is a set of existing units.

Accepted Answer

A) True 
 B)False

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

Question 3

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 4

Daily temperature in a local community collected over a 30-day time period is an example of cross-sectional data.

Accepted Answer

A) True 
 B)False

Question 5

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.Is this an experimental or observational study?

Accepted Answer

Observational study
Feedback:An observat

Question 6

The two types of quantitative variables are:

Accepted Answer

A) Ordinal and ratio 
B) Interval and ordinal 
C) Nominative and ordinal 
D) Interval and ratio 
E) Nominative and interval 
A) Ordinal and ratio 
B) Interval and ordinal 
C) Nominative and ordinal 
D) Interval and ratio 
E) Nominative and interval

Question 7

The science of describing the important aspects of a set of measures is called statistical inference.

Accepted Answer

A) True 
 B)False

Question 8

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 response variable(s).

Accepted Answer

The response variable in this

Question 9

In an observational study,the variable of interest is called a response variable.

Accepted Answer

A) True 
 B)False

Question 10

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 11

If we collect data on the number of wins the Dallas Cowboys earned each of the past 10 years,we have _____________ data.

Accepted Answer

A) Cross-sectional 
B) Time series 
A) Cross-sectional 
B) Time series

Question 12

A data set provides information about some group of individual _____________.

Accepted Answer

A) Variables 
B) Elements 
C) Statistics 
D) Measurements 
A) Variables 
B) Elements 
C) Statistics 
D) Measurements

Question 13

Processes produce outputs over time.

Accepted Answer

A) True 
 B)False

Question 14

______________ is the science of using a sample to make generalizations about the important aspects of a population.

Accepted Answer

A) Time series analysis 
B) Descriptive statistics 
C) Random sample 
D) Statistical inference 
A) Time series analysis 
B) Descriptive statistics 
C) Random sample 
D) Statistical inference

Question 15

___________ 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 16

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 17

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

Accepted Answer

A) True 
 B)False

Question 18

The process of assigning a value of a variable to each element in a data set is called ___________.

Accepted Answer

A) Sampling 
B) Measurement 
C) Experimental analysis 
D) Observational analysis 
A) Sampling 
B) Measurement 
C) Experimental analysis 
D) Observational analysis

Question 19

If we examine some of the population measurements,we are conducting a census of the population.

Accepted Answer

A) True 
 B)False

Question 20

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

A population is a set of existing units.

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

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

Daily temperature in a local community collected over a 30-day time period is an example of cross-sectional data.

The two types of quantitative variables are:

The science of describing the important aspects of a set of measures is called statistical inference.

In an observational study,the variable of interest is called a response variable.

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

If we collect data on the number of wins the Dallas Cowboys earned each of the past 10 years,we have _____________ data.

A data set provides information about some group of individual _____________.

Processes produce outputs over time.

______________ is the science of using a sample to make generalizations about the important aspects of a population.

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

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

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

The process of assigning a value of a variable to each element in a data set is called ___________.

If we examine some of the population measurements,we are conducting a census of the population.

Which of the following is a categorical variable?

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

Comparing Two Means and Two Proportions

Filters

Exam 1: An Introduction to Business Statistics

A population is a set of existing units.

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

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

Daily temperature in a local community collected over a 30-day time period is an example of cross-sectional data.

The two types of quantitative variables are:

The science of describing the important aspects of a set of measures is called statistical inference.

In an observational study,the variable of interest is called a response variable.

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

If we collect data on the number of wins the Dallas Cowboys earned each of the past 10 years,we have _____________ data.

A data set provides information about some group of individual _____________.

Processes produce outputs over time.

______________ is the science of using a sample to make generalizations about the important aspects of a population.

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

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

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

The process of assigning a value of a variable to each element in a data set is called ___________.

If we examine some of the population measurements,we are conducting a census of the population.

Which of the following is a categorical variable?

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

Comparing Two Means and Two Proportions

Filters