PREDICTIVE ANALYTICS EXAM 1 QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
What are the 3 types of analytic technique? - Answers predictive analytics
descriptive analytics
prescriptive analytics
What is related to data privacy? - Answers Data collection
Data usage
Data transmission
A massive volume of both structured and unstructured data that is extremely difficult to manage,
process, and analyze is known by which catch phrase? - Answers big data
According to a report in US Today, 38% of young people between the ages of 18-29 have at least one
tattoo. What does the 38% represent? - Answers sample set
__________is a set of data that are organized and processed in a meaningful and purposeful way. -
Answers information
The time in hours spent sleeping per day is what kind of variable? - Answers continuous numerical
At the local animal shelter, each animal is marked if they are a boy or a girl. What is this type of
measurement scale? - Answers norminal
An instructor hands out course evaluations where students have a rank of 0 to 5. What is the best way
for the data to be measured? - Answers ordinal
Mary asks her friends on Facebook for recommendations for the best restaurants in Chicago. The
results are then placed in a table for review. What does the data represent? - Answers cross-sectional
data
T or F: The ability to use qualitative reasoning with quantitative tools allows management to make
decisions to improve business performance. - Answers True
The primary purpose of a(n) _____________ is to support decision-making and provide a composite
view of the organization. - Answers data warehouse
Which term represents data items, events, or things stored in a database file? - Answers entity
Mary has been tasked with reviewing a large data file. She wants to begin by first inspecting the
number of values in each cell, both numeric and non-numeric, for any blank entries. The plan is to
first find the blank or missing values for first review. Using Excel, what function(s) should she use to
complete this task? - Answers COUNT and COUNTA
Which of the following is NOT a process of the data management system?
a. acquire
b. distribute
c. store
d. summarize - Answers summarize
In a data set with 20 variables, if 8% of the values, randomly spread across observations, are missing
(blank), what is the probable percent of complete and usable observations? - Answers 18.87%
In the presence of outliers in a data set, extremely small or large values, it is preferred to use the
____________ instead of the _____________ to impute missing variables. - Answers median; mean
The following table contains 2 variables with 2 observations. A new variable was created named Sum.
This is the sum of the values x1 and x2 for each observation. What is the average value of Sum if the
chart is completed?
x1 x2 Sum
76 22 98
82 32 114 - Answers 106
Ann is analyzing a data set that contains two variables, Job Title and 401K. 401K contains the name of
the three companies that carry the retirement accounts. It is mandatory to have an account, thus no
observation is blank. If 401K was transformed to dummy variables, how many should be created? -
Answers 2
When too many variables are categorized in an analysis, several potential issues may occur. Which of
the following is not one of the issues that may occur?
a. rarely occurring categories may not be captured accurately
What are the 3 types of analytic technique? - Answers predictive analytics
descriptive analytics
prescriptive analytics
What is related to data privacy? - Answers Data collection
Data usage
Data transmission
A massive volume of both structured and unstructured data that is extremely difficult to manage,
process, and analyze is known by which catch phrase? - Answers big data
According to a report in US Today, 38% of young people between the ages of 18-29 have at least one
tattoo. What does the 38% represent? - Answers sample set
__________is a set of data that are organized and processed in a meaningful and purposeful way. -
Answers information
The time in hours spent sleeping per day is what kind of variable? - Answers continuous numerical
At the local animal shelter, each animal is marked if they are a boy or a girl. What is this type of
measurement scale? - Answers norminal
An instructor hands out course evaluations where students have a rank of 0 to 5. What is the best way
for the data to be measured? - Answers ordinal
Mary asks her friends on Facebook for recommendations for the best restaurants in Chicago. The
results are then placed in a table for review. What does the data represent? - Answers cross-sectional
data
T or F: The ability to use qualitative reasoning with quantitative tools allows management to make
decisions to improve business performance. - Answers True
The primary purpose of a(n) _____________ is to support decision-making and provide a composite
view of the organization. - Answers data warehouse
Which term represents data items, events, or things stored in a database file? - Answers entity
Mary has been tasked with reviewing a large data file. She wants to begin by first inspecting the
number of values in each cell, both numeric and non-numeric, for any blank entries. The plan is to
first find the blank or missing values for first review. Using Excel, what function(s) should she use to
complete this task? - Answers COUNT and COUNTA
Which of the following is NOT a process of the data management system?
a. acquire
b. distribute
c. store
d. summarize - Answers summarize
In a data set with 20 variables, if 8% of the values, randomly spread across observations, are missing
(blank), what is the probable percent of complete and usable observations? - Answers 18.87%
In the presence of outliers in a data set, extremely small or large values, it is preferred to use the
____________ instead of the _____________ to impute missing variables. - Answers median; mean
The following table contains 2 variables with 2 observations. A new variable was created named Sum.
This is the sum of the values x1 and x2 for each observation. What is the average value of Sum if the
chart is completed?
x1 x2 Sum
76 22 98
82 32 114 - Answers 106
Ann is analyzing a data set that contains two variables, Job Title and 401K. 401K contains the name of
the three companies that carry the retirement accounts. It is mandatory to have an account, thus no
observation is blank. If 401K was transformed to dummy variables, how many should be created? -
Answers 2
When too many variables are categorized in an analysis, several potential issues may occur. Which of
the following is not one of the issues that may occur?
a. rarely occurring categories may not be captured accurately
