Question 1

The birth weight of newborns, measured in grams, is an example of _____.

Accepted Answer

A)  categorical data 
B)  either categorical or quantitative data 
C)  neither categorical nor quantitative data 
D)  quantitative data 
A)  categorical data 
B)  either categorical or quantitative data 
C)  neither categorical nor quantitative data 
D)  quantitative data D

Question 2

The set of measurements collected for an element is called a(n) _____.

Accepted Answer

A)  census 
B)  variable 
C)  observation 
D)  sample 
A)  census 
B)  variable 
C)  observation 
D)  sample C

Question 3

_____ is the process of using procedures from statistics and computer science to extract useful information from extremely large databases.

Accepted Answer

A)  Big data 
B)  Analytics 
C)  Data warehousing 
D)  Data mining 
A)  Big data 
B)  Analytics 
C)  Data warehousing 
D)  Data mining D

Question 4

In a data set, the number of observations will always be the same as the number of _____.

Accepted Answer

A)  variables 
B)  elements 
C)  data sets 
D)  data 
A)  variables 
B)  elements 
C)  data sets 
D)  data

Question 5

All data collected in a study are referred to as the _____.

Accepted Answer

A)  census 
B)  inference 
C)  variable 
D)  data set 
A)  census 
B)  inference 
C)  variable 
D)  data set

Question 6

Temperature is an example of which scale of measurement?

Accepted Answer

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

Question 7

Arithmetic operations are inappropriate for _____.

Accepted Answer

A)  categorical data 
B)  quantitative data 
C)  both categorical and quantitative data 
D)  large data sets 
A)  categorical data 
B)  quantitative data 
C)  both categorical and quantitative data 
D)  large data sets

Question 8

The entities on which data are collected are _____.

Accepted Answer

A)  elements 
B)  populations 
C)  sets 
D)  samples 
A)  elements 
B)  populations 
C)  sets 
D)  samples

Question 9

_____ analytics consists of analytical techniques that use models constructed from past data to predict the future or to assess the impact of one variable on another.

Accepted Answer

A)  Descriptive 
B)  Predictive 
C)  Prescriptive 
D)  Data 
A)  Descriptive 
B)  Predictive 
C)  Prescriptive 
D)  Data

Question 10

Of 800 students in a university, 360, or 45%, live in the dormitories.The 800 is an example of _____.

Accepted Answer

A)  a sample 
B)  a population 
C)  statistical inference 
D)  descriptive statistics 
A)  a sample 
B)  a population 
C)  statistical inference 
D)  descriptive statistics

Question 11

Data collected at the same, or approximately the same, point in time are _____ data.

Accepted Answer

A)  time series 
B)  static 
C)  cross-sectional 
D)  one-dimensional 
A)  time series 
B)  static 
C)  cross-sectional 
D)  one-dimensional

Question 12

Categorical data _____.

Accepted Answer

A)  are always nonnumeric 
B)  may be either numeric or nonnumeric 
C)  are always numeric 
D)  indicate either how much or how many 
A)  are always nonnumeric 
B)  may be either numeric or nonnumeric 
C)  are always numeric 
D)  indicate either how much or how many

Question 13

A sample of five Fortune 500 companies possessed the following industry codes: banking, banking, finance, retail, and banking.Based on this information, which of the following statements is correct?

Accepted Answer

A)  Sixty percent of the sample of five companies are banking industries. 
B)  Sixty percent of all Fortune 500 companies are banking industries. 
C)  Banking is the most common type of industry among all Fortune 500 companies. 
D)  If five other Fortune 500 companies were chosen, 60% of them would be banking industries. 
A)  Sixty percent of the sample of five companies are banking industries. 
B)  Sixty percent of all Fortune 500 companies are banking industries. 
C)  Banking is the most common type of industry among all Fortune 500 companies. 
D)  If five other Fortune 500 companies were chosen, 60% of them would be banking industries.

Question 14

The term data warehousing is used to refer to the process of doing all of the following, except _____ the data.

Accepted Answer

A)  capturing 
B)  storing 
C)  maintaining 
D)  mining 
A)  capturing 
B)  storing 
C)  maintaining 
D)  mining

Question 15

In a sample of 800 students in a university, 160, or 20%, are Business majors.Based on the above information, the school's paper reported, "20% of all students at the university are Business majors." This report is an example of _____.

Accepted Answer

A)  a sample 
B)  a population 
C)  statistical inference 
D)  descriptive statistics 
A)  a sample 
B)  a population 
C)  statistical inference 
D)  descriptive statistics

Question 16

Facts and figures collected, analyzed, and summarized for presentation and interpretation are called _____.

Accepted Answer

A)  data 
B)  variables 
C)  elements 
D)  variables and elements 
A)  data 
B)  variables 
C)  elements 
D)  variables and elements

Question 17

Statistical inference _____.

Accepted Answer

A)  refers to the process of drawing inferences about the sample based on the characteristics of the population 
B)  is the same as descriptive statistics 
C)  is the process of drawing inferences about the population based on the information taken from the sample 
D)  is the same as a census 
A)  refers to the process of drawing inferences about the sample based on the characteristics of the population 
B)  is the same as descriptive statistics 
C)  is the process of drawing inferences about the population based on the information taken from the sample 
D)  is the same as a census

Question 18

Exhibit 1-1
In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one or more city codes.
-Refer to Exhibit 1-1.The manager's statement that 60% of Daisy City's 3,000 homes are in violation of city codes is _____.

Accepted Answer

A)  an accurate statement 
B)  only an approximation, since it is based upon sample information 
C)  obviously wrong, since it is based upon a study of only 200 homes 
D)  None of the other answers is correct. 
A)  an accurate statement 
B)  only an approximation, since it is based upon sample information 
C)  obviously wrong, since it is based upon a study of only 200 homes 
D)  None of the other answers is correct.

Question 19

The most common type of observational study is a(n) _____.

Accepted Answer

A)  experiment 
B)  survey 
C)  debate 
D)  statistical inference 
A)  experiment 
B)  survey 
C)  debate 
D)  statistical inference

Question 20

The average age in a sample of 90 students at City College is 20.From this sample, it can be concluded that the average age of all the students at City College _____.

Accepted Answer

A)  must be more than 20, since the population is always larger than the sample 
B)  must be less than 20, since the sample is only a part of the population 
C)  could not be 20 
D)  could be larger, smaller, or equal to 20 
A)  must be more than 20, since the population is always larger than the sample 
B)  must be less than 20, since the sample is only a part of the population 
C)  could not be 20 
D)  could be larger, smaller, or equal to 20

The birth weight of newborns, measured in grams, is an example of _____.

The set of measurements collected for an element is called a(n) _____.

_____ is the process of using procedures from statistics and computer science to extract useful information from extremely large databases.

In a data set, the number of observations will always be the same as the number of _____.

All data collected in a study are referred to as the _____.

Temperature is an example of which scale of measurement?

Arithmetic operations are inappropriate for _____.

The entities on which data are collected are _____.

_____ analytics consists of analytical techniques that use models constructed from past data to predict the future or to assess the impact of one variable on another.

Of 800 students in a university, 360, or 45%, live in the dormitories.The 800 is an example of _____.

Data collected at the same, or approximately the same, point in time are _____ data.

Categorical data _____.

A sample of five Fortune 500 companies possessed the following industry codes: banking, banking, finance, retail, and banking.Based on this information, which of the following statements is correct?

The term data warehousing is used to refer to the process of doing all of the following, except _____ the data.

In a sample of 800 students in a university, 160, or 20%, are Business majors.Based on the above information, the school's paper reported, "20% of all students at the university are Business majors." This report is an example of _____.

Facts and figures collected, analyzed, and summarized for presentation and interpretation are called _____.

Statistical inference _____.

Exhibit 1-1 In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one or more city codes. -Refer to Exhibit 1-1.The manager's statement that 60% of Daisy City's 3,000 homes are in violation of city codes is _____.

The most common type of observational study is a(n) _____.

The average age in a sample of 90 students at City College is 20.From this sample, it can be concluded that the average age of all the students at City College _____.

Descriptive Statistics: Tabulargraphical

Descriptive Statistics: Numerical

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, Test of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Filters

Exam 1: Data and Statistics

The birth weight of newborns, measured in grams, is an example of _____.

The set of measurements collected for an element is called a(n) _____.

_____ is the process of using procedures from statistics and computer science to extract useful information from extremely large databases.

In a data set, the number of observations will always be the same as the number of _____.

All data collected in a study are referred to as the _____.

Temperature is an example of which scale of measurement?

Arithmetic operations are inappropriate for _____.

The entities on which data are collected are _____.

_____ analytics consists of analytical techniques that use models constructed from past data to predict the future or to assess the impact of one variable on another.

Of 800 students in a university, 360, or 45%, live in the dormitories.The 800 is an example of _____.

Data collected at the same, or approximately the same, point in time are _____ data.

Categorical data _____.

A sample of five Fortune 500 companies possessed the following industry codes: banking, banking, finance, retail, and banking.Based on this information, which of the following statements is correct?

The term data warehousing is used to refer to the process of doing all of the following, except _____ the data.

In a sample of 800 students in a university, 160, or 20%, are Business majors.Based on the above information, the school's paper reported, "20% of all students at the university are Business majors." This report is an example of _____.

Facts and figures collected, analyzed, and summarized for presentation and interpretation are called _____.

Statistical inference _____.

Exhibit 1-1 In a recent study based upon an inspection of 200 homes in Daisy City, 120 were found to violate one or more city codes. -Refer to Exhibit 1-1.The manager's statement that 60% of Daisy City's 3,000 homes are in violation of city codes is _____.

The most common type of observational study is a(n) _____.

The average age in a sample of 90 students at City College is 20.From this sample, it can be concluded that the average age of all the students at City College _____.

Descriptive Statistics: Tabulargraphical

Descriptive Statistics: Numerical

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, Test of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Filters