WPC 300 Final Exam 2023;quiz questions & answers from
weekly quizzes - 80 Questions and Answers Complete
In an agile approach of analytics, what is the first step of the process?
Perform data discovery
Perform business discovery
Score and deploy
Model data
Perform business discovery
In an ETL process, data is loaded into a final target database such as:
Operational dashboard
Public database
Social media database
Data warehouse
Data warehouse
What are the four types of data analytical method?
Descriptive, explanatory, predictive and prescriptive
Critical, analytical, predictive and explanatory
Descriptive, logical, predictive and prescriptive
Descriptive, analytical, predictive and prescriptive
Descriptive, explanatory, predictive and prescriptive
Which of the following is an example of secondary data?
Simulated data
Survey data
Interview data
Firm's proprietary data
Firm's proprietary data
Which of the following data analysis models use optimization techniques?
Prescriptive analytics
Predictive analytics
Descriptive analytics
Diagnostic analytics
Prescriptive analytics
Predictive analytics may be applied to __________, which is a set of techniques
that use descriptive data and forecasts to identify the decisions most likely to
result in the best performance.
Prescriptive analytics
Descriptive analytics
,Explanatory analytics
Forecast analytics
Prescriptive analytics
Target is examining their online sales data during the pandemic to understand
what happened. Which kind of analytical technique are they using?
Descriptive analytics
Prescriptive analytics
Forecast analytics
Predictive analytics
Descriptive analytics
Costco wants to know how to stock their warehouses for a future pandemic and
are using current sales data to help them project the needs. Which kind of
analytical technique are they using?
Predictive analytics
Descriptive analytics
Prescriptive analytics
Explanatory analytics
Predictive analytics
Your professor is considering purchasing a self-driving car that can figure out the
best route and the optimum safe way to drive there without human intervention.
What kind of analytics is the car using to do this?
Predictive analytics
Explanatory analytics
Descriptive analytics
Prescriptive analytics
Prescriptive analytics
Which of the following question(s) can be better answered using data in order to
reach an evidence-based conclusion?
Who will win the NBA championship?
All of the answer selections are correct.
What is the purchase pattern(s) of our customers?
How many students will enroll for an online class in the Spring?
All of the answer selections are correct.
Which of the following describes a positively skewed histogram?
a histogram for which mean and mode values are the same.
a histogram that has no fluctuation in mass
a histogram with large kurtosis
a histogram that tails off towards the right
a histogram that tails off towards the right
When two variables are highly positively correlated, the correlation coefficient
will be _______.
, close to -1
close to 1
close to 10
close to 0
close to 1
According to statistical notation, what does ∑ stand for?
to represent population measure
to represent sample statistics
to represent the number of items in a population
to act as a summation operator
to act as a summation operator
For a normal distribution mean is _______ to median.
not equal
greater than
less than
equal
equal
Which of the following is true for a median?
Median can be calculated no matter how the data is arranged
For an even number of observations, the median is the mean of the two middle
numbers
Medians are affected by outliers
A median is only meaningful for interval or ordinal data and not for ratio data
For an even number of observations, the median is the mean of the two middle
numbers
Which of the following is an example of a measure of dispersion?
mode
mean
variance
median
variance
The difference between the first and third quartiles is referred to as the
____________.
standard deviation
interquartile range
midrange
variance
interquartile range
Which of the following describes the standard deviation?
weekly quizzes - 80 Questions and Answers Complete
In an agile approach of analytics, what is the first step of the process?
Perform data discovery
Perform business discovery
Score and deploy
Model data
Perform business discovery
In an ETL process, data is loaded into a final target database such as:
Operational dashboard
Public database
Social media database
Data warehouse
Data warehouse
What are the four types of data analytical method?
Descriptive, explanatory, predictive and prescriptive
Critical, analytical, predictive and explanatory
Descriptive, logical, predictive and prescriptive
Descriptive, analytical, predictive and prescriptive
Descriptive, explanatory, predictive and prescriptive
Which of the following is an example of secondary data?
Simulated data
Survey data
Interview data
Firm's proprietary data
Firm's proprietary data
Which of the following data analysis models use optimization techniques?
Prescriptive analytics
Predictive analytics
Descriptive analytics
Diagnostic analytics
Prescriptive analytics
Predictive analytics may be applied to __________, which is a set of techniques
that use descriptive data and forecasts to identify the decisions most likely to
result in the best performance.
Prescriptive analytics
Descriptive analytics
,Explanatory analytics
Forecast analytics
Prescriptive analytics
Target is examining their online sales data during the pandemic to understand
what happened. Which kind of analytical technique are they using?
Descriptive analytics
Prescriptive analytics
Forecast analytics
Predictive analytics
Descriptive analytics
Costco wants to know how to stock their warehouses for a future pandemic and
are using current sales data to help them project the needs. Which kind of
analytical technique are they using?
Predictive analytics
Descriptive analytics
Prescriptive analytics
Explanatory analytics
Predictive analytics
Your professor is considering purchasing a self-driving car that can figure out the
best route and the optimum safe way to drive there without human intervention.
What kind of analytics is the car using to do this?
Predictive analytics
Explanatory analytics
Descriptive analytics
Prescriptive analytics
Prescriptive analytics
Which of the following question(s) can be better answered using data in order to
reach an evidence-based conclusion?
Who will win the NBA championship?
All of the answer selections are correct.
What is the purchase pattern(s) of our customers?
How many students will enroll for an online class in the Spring?
All of the answer selections are correct.
Which of the following describes a positively skewed histogram?
a histogram for which mean and mode values are the same.
a histogram that has no fluctuation in mass
a histogram with large kurtosis
a histogram that tails off towards the right
a histogram that tails off towards the right
When two variables are highly positively correlated, the correlation coefficient
will be _______.
, close to -1
close to 1
close to 10
close to 0
close to 1
According to statistical notation, what does ∑ stand for?
to represent population measure
to represent sample statistics
to represent the number of items in a population
to act as a summation operator
to act as a summation operator
For a normal distribution mean is _______ to median.
not equal
greater than
less than
equal
equal
Which of the following is true for a median?
Median can be calculated no matter how the data is arranged
For an even number of observations, the median is the mean of the two middle
numbers
Medians are affected by outliers
A median is only meaningful for interval or ordinal data and not for ratio data
For an even number of observations, the median is the mean of the two middle
numbers
Which of the following is an example of a measure of dispersion?
mode
mean
variance
median
variance
The difference between the first and third quartiles is referred to as the
____________.
standard deviation
interquartile range
midrange
variance
interquartile range
Which of the following describes the standard deviation?
