Question 1

The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

Accepted Answer

A)  descriptive statistics. 
B)  statistical inference. 
C)  data analysis. 
D)  data summarization. 
A)  descriptive statistics. 
B)  statistical inference. 
C)  data analysis. 
D)  data summarization.

Question 2

Which of the following is not an example of a firm that sells or leases business database services to clients?

Accepted Answer

A)  ​Dun & Bradstreet 
B)  ​Bloomberg 
C)  ​Census Bureau 
D)  ​Dow Jones & Co. 
A)  ​Dun & Bradstreet 
B)  ​Bloomberg 
C)  ​Census Bureau 
D)  ​Dow Jones & Co.

Question 3

The scale of measurement that has an inherent zero value defined is the _____ scale.

Accepted Answer

A)  ratio 
B)  nominal 
C)  ordinal 
D)  interval 
A)  ratio 
B)  nominal 
C)  ordinal 
D)  interval

Question 4

Simulation, which is the use of probability and statistical computer models to better understand risk, falls under the category of _____ analytics.

Accepted Answer

A)  prescriptive 
B)  predictive 
C)  descriptive 
D)  diagnostic 
A)  prescriptive 
B)  predictive 
C)  descriptive 
D)  diagnostic

Question 5

Optimization models, which generate solutions that maximize or minimize some objective subject to a set of constraints, fall into the category of _____ analytics.

Accepted Answer

A)  prescriptive 
B)  predictive 
C)  descriptive 
D)  diagnostic 
A)  prescriptive 
B)  predictive 
C)  descriptive 
D)  diagnostic

Question 6

A survey to collect data on the entire population is a(n)

Accepted Answer

A)  census. 
B)  sample. 
C)  population. 
D)  inference. 
A)  census. 
B)  sample. 
C)  population. 
D)  inference.

Question 7

Cost of a theater ticket is an example of

Accepted Answer

A)  categorical data. 
B)  either categorical or quantitative data. 
C)  nominal data. 
D)  quantitative data. 
A)  categorical data. 
B)  either categorical or quantitative data. 
C)  nominal data. 
D)  quantitative data.

Question 8

Which of the following variables uses the interval scale of measurement?​

Accepted Answer

A)  ​Standardized test score 
B)  ​Time duration 
C)  ​Student ID number 
D)  ​Vehicle miles-per-gallon 
A)  ​Standardized test score 
B)  ​Time duration 
C)  ​Student ID number 
D)  ​Vehicle miles-per-gallon

Question 9

The process of capturing, storing, and maintaining data is known as

Accepted Answer

A)  data manipulation. 
B)  data mining. 
C)  data warehousing. 
D)  big data. 
A)  data manipulation. 
B)  data mining. 
C)  data warehousing. 
D)  big data.

Question 10

The height of a building, measured in feet, is an example of _____ data.

Accepted Answer

A)  categorical 
B)  either categorical or quantitative 
C)  neither categorical or quantitative 
D)  quantitative 
A)  categorical 
B)  either categorical or quantitative 
C)  neither categorical or quantitative 
D)  quantitative

Question 11

A population is

Accepted Answer

A)  the same as a sample. 
B)  the selection of a random sample. 
C)  the collection of all items of interest in a study. 
D)  always the same size as the sample. 
A)  the same as a sample. 
B)  the selection of a random sample. 
C)  the collection of all items of interest in a study. 
D)  always the same size as the sample.

Question 12

Different methods of developing useful information from large data bases are dealt with under

Accepted Answer

A)  data manipulation. 
B)  data warehousing. 
C)  big data. 
D)  data mining. 
A)  data manipulation. 
B)  data warehousing. 
C)  big data. 
D)  data mining.

Question 13

Measurement of body temperature is an example of a variable that uses

Accepted Answer

A)  the ratio scale. 
B)  the interval scale. 
C)  the ordinal scale. 
D)  either the ratio or the ordinal scale. 
A)  the ratio scale. 
B)  the interval scale. 
C)  the ordinal scale. 
D)  either the ratio or the ordinal scale.

Question 14

Which of the following scales of measurement are appropriate for quantitative data?

Accepted Answer

A)  Interval and ordinal 
B)  Ratio and ordinal 
C)  Nominal and ordinal 
D)  Interval and ratio 
A)  Interval and ordinal 
B)  Ratio and ordinal 
C)  Nominal and ordinal 
D)  Interval and ratio

Question 15

The scale of measurement used for variable data that is simply a label for the purpose of identifying the attribute of an element is the _____ scale.

Accepted Answer

A)  ratio 
B)  nominal 
C)  ordinal 
D)  interval 
A)  ratio 
B)  nominal 
C)  ordinal 
D)  interval

Question 16

Categorical data

Accepted Answer

A)  indicate either how much or how many. 
B)  cannot be numeric 
C)  are labels used to identify attributes of elements. 
D)  must be nonnumeric. 
A)  indicate either how much or how many. 
B)  cannot be numeric 
C)  are labels used to identify attributes of elements. 
D)  must be nonnumeric.

Question 17

The summaries of data, which may be tabular, graphical, or numerical, are referred to as _____ statistics.

Accepted Answer

A)  inferential 
B)  descriptive 
C)  observational 
D)  experimental 
A)  inferential 
B)  descriptive 
C)  observational 
D)  experimental

Question 18

The largest experimental statistical study ever conducted is believed to be for​

Accepted Answer

A)  ​Cholera. 
B)  ​Polio. 
C)  ​Diphtheria. 
D)  ​Malaria. 
A)  ​Cholera. 
B)  ​Polio. 
C)  ​Diphtheria. 
D)  ​Malaria.

Question 19

The entities on which data are collected are

Accepted Answer

A)  elements. 
B)  populations. 
C)  samples. 
D)  observations. 
A)  elements. 
B)  populations. 
C)  samples. 
D)  observations.

Question 20

Which of the following is a scale of measurement?

Accepted Answer

A)  Ratio 
B)  Proportion 
C)  Sample 
D)  Inferential 
A)  Ratio 
B)  Proportion 
C)  Sample 
D)  Inferential

Exam 1: Data and Statistics

The process of analyzing sample data in order to draw conclusions about the characteristics of a population is called

Which of the following is not an example of a firm that sells or leases business database services to clients?

The scale of measurement that has an inherent zero value defined is the _____ scale.

Simulation, which is the use of probability and statistical computer models to better understand risk, falls under the category of _____ analytics.

Optimization models, which generate solutions that maximize or minimize some objective subject to a set of constraints, fall into the category of _____ analytics.

A survey to collect data on the entire population is a(n)

Cost of a theater ticket is an example of

Which of the following variables uses the interval scale of measurement?​

The process of capturing, storing, and maintaining data is known as

The height of a building, measured in feet, is an example of _____ data.

A population is

Different methods of developing useful information from large data bases are dealt with under

Measurement of body temperature is an example of a variable that uses

Which of the following scales of measurement are appropriate for quantitative data?

The scale of measurement used for variable data that is simply a label for the purpose of identifying the attribute of an element is the _____ scale.

Categorical data

The summaries of data, which may be tabular, graphical, or numerical, are referred to as _____ statistics.

The largest experimental statistical study ever conducted is believed to be for​

The entities on which data are collected are

Which of the following is a scale of measurement?

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Tests of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Index Numbers

Statistical Methods for Quality Control

Sample Survey

Filters

Which of the following variables uses the interval scale of measurement?

The largest experimental statistical study ever conducted is believed to be for