Question 1

By taking a systematic sample in which we select every 100th shopper arriving at a specific store,we are approximating a random sample of shoppers.

Accepted Answer

A) True 
 B)False

Question 2

___________ 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 3

Looking at the runs plot of gasoline prices over the past 30 months,describe what it tells us about the price of gas during these 30 months.

Accepted Answer

The price of gas peaked in the seventh m

Question 4

When we are choosing a random sample and we do not place chosen units back into the population,we are

Accepted Answer

A)  sampling with replacement. 
B)  sampling without replacement. 
C)  using a systematic sample. 
D)  using a voluntary response sample. 
A)  sampling with replacement. 
B)  sampling without replacement. 
C)  using a systematic sample. 
D)  using a voluntary response sample.

Question 5

Any characteristic of an element is called a ____________.

Accepted Answer

A)  set 
B)  process 
C)  variable 
D)  
D) census 
A)  set 
B)  process 
C)  variable 
D)  
D) census

Question 6

Measurements from a population are called

Accepted Answer

A)  elements. 
B)  observations. 
C)  variables. 
D)  processes. 
A)  elements. 
B)  observations. 
C)  variables. 
D)  processes.

Question 7

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

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is a type of question used in survey research?

Accepted Answer

A)  dichotomous 
B)  free response 
C)  rating 
D)  All of the other answers are correct. 
A)  dichotomous 
B)  free response 
C)  rating 
D)  All of the other answers are correct.

Question 9

Which of the following is a quantitative variable?

Accepted Answer

A)  the manufacturer of a cell phone 
B)  a person's gender 
C)  mileage of a car 
D)  whether a person is a college graduate 
E)  whether a person has a charge account 
A)  the manufacturer of a cell phone 
B)  a person's gender 
C)  mileage of a car 
D)  whether a person is a college graduate 
E)  whether a person has a charge account

Question 10

Data that are collected by an individual through personally planned experimentation or observation are _____________.

Accepted Answer

A)  secondary data 
B)  quantitative data 
C)  primary data 
D)  variables 
A)  secondary data 
B)  quantitative data 
C)  primary data 
D)  variables

Question 11

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 12

Data warehousing is defined as a process of centralized data management and retrieval.

Accepted Answer

A) True 
 B)False

Question 13

A set of all elements we wish to study is called a ____________.

Accepted Answer

A)  sample 
B)  process 
C)  census 
D)  population 
A)  sample 
B)  process 
C)  census 
D)  population

Question 14

In an experimental study,the aim is to manipulate or set the value of the response variable.

Accepted Answer

A) True 
 B)False

Question 15

Sampling error can occur because of incomplete information.

Accepted Answer

A) True 
 B)False

Question 16

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

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

Non-overlapping groups in random sampling of a population are called

Accepted Answer

A)  clusters. 
B)  frames. 
C)  strata. 
D)  stages. 
A)  clusters. 
B)  frames. 
C)  strata. 
D)  stages.

Question 19

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 20

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

By taking a systematic sample in which we select every 100th shopper arriving at a specific store,we are approximating a random sample of shoppers.

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

Looking at the runs plot of gasoline prices over the past 30 months,describe what it tells us about the price of gas during these 30 months.

When we are choosing a random sample and we do not place chosen units back into the population,we are

Any characteristic of an element is called a ____________.

Measurements from a population are called

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

Which of the following is a type of question used in survey research?

Which of the following is a quantitative variable?

Data that are collected by an individual through personally planned experimentation or observation are _____________.

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

Data warehousing is defined as a process of centralized data management and retrieval.

A set of all elements we wish to study is called a ____________.

In an experimental study,the aim is to manipulate or set the value of the response variable.

Sampling error can occur because of incomplete information.

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

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

Non-overlapping groups in random sampling of a population are called

The two types of quantitative variables are

A data set provides information about some group of 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 for Means and Proportions

Statistical Inferences for Population Variances

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Time Series Forecasting and Index Numbers

Nonparametric Methods

Decision Theory

Filters

Exam 1: An Introduction to Business Statistics

By taking a systematic sample in which we select every 100th shopper arriving at a specific store,we are approximating a random sample of shoppers.

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

Looking at the runs plot of gasoline prices over the past 30 months,describe what it tells us about the price of gas during these 30 months.

When we are choosing a random sample and we do not place chosen units back into the population,we are

Any characteristic of an element is called a ____________.

Measurements from a population are called

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

Which of the following is a type of question used in survey research?

Which of the following is a quantitative variable?

Data that are collected by an individual through personally planned experimentation or observation are _____________.

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

Data warehousing is defined as a process of centralized data management and retrieval.

A set of all elements we wish to study is called a ____________.

In an experimental study,the aim is to manipulate or set the value of the response variable.

Sampling error can occur because of incomplete information.

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

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

Non-overlapping groups in random sampling of a population are called

The two types of quantitative variables are

A data set provides information about some group of 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 for Means and Proportions

Statistical Inferences for Population Variances

Experimental Design and Analysis of Variance

Chi-Square Tests

Simple Linear Regression Analysis

Multiple Regression and Model Building

Time Series Forecasting and Index Numbers

Nonparametric Methods

Decision Theory

Filters