WPC 300 FINAL EXAM QUESTIONS WITH VERIFIED
ACCURATE ANSWERS
Perform business discovery - Answers -In an agile approach of analytics what is the
first step of the process?
Data warehouse - Answers -In an ETL process, data is loaded into a final target
database such as:
Prescriptive analytics - Answers -Which of the following data analysis models use
optimization techniques?
Prescriptive Analytics - Answers -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.
Descriptive analytics - Answers -Target is examining their online sales data during the
pandemic to understand what happened. Which kind of analytical technique are they
using?
Predictive analytics - Answers -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?
Prescriptive analytics - Answers -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?
Who will win the NBA championship?
How many students will enroll for an online class in the Spring?
What is the purchase pattern(s) of our customers? - Answers -Which of the following
question(s) can be better answered using data in order to reach an evidence-based
conclusion?
Data ink can sometimes help tell a richer story - Answers -Which of the following
statement(s) about charts is true?
The data-ink ratio should be higher than 1 - Answers -Which of the following violates
the principle of data visualization?
Close to 1 - Answers -In for a chart to minimize graphical complexity, the data-ink ratio
must be:
, Tables cannot easily show trends - Answers -Which of the following statements is a
reason not to use a table for data visualization?
The size of the effect shown in the graph is bigger than the actual effect in the data. -
Answers -When the lie-factor of a graphical chart is more than 1,
Increases the data-ink ratio - Answers -Deleting the grid lines in a chart
Plots data using a circular historical plot - Answers -What best describes the nature of a
rose diagram?
Close to 1 - Answers -In order for a chart to have graphical integrity, the lie factor must
be:
Which of the following statement(s) about charts is true? - Answers -A chart should
have graphical integrity
A chart should minimize graphical complexity
A chart should tell a story
The graph suggests a possible true effect - Answers -Which are useful principles for
data visualization?
Distribution of the sample mean will still be normal when the sample size is large -
Answers -The central limit theorem states that even if the population is not normally
distributed, the
The null hypothesis is actually true, but the hypothesis test incorrectly rejects it. -
Answers -Which of the following is a Type-I error?
Confidence interval decreases - Answers -When sample size increases
Null hypothesis - Answers -Which of the following proposition describes an existing
theory or belief?
.930 - Answers -What is the confidence level when the level of significance is 0.07?
3.00
Sigma/sqrt=12/sqrt(16)=12/4=3 - Answers -The WPC Sports Company has noted that
the size of individual "customer order" is normally distributed with a mean of $100 and
standard deviation of $12. If a soccer team of 16 players were to make the next batch of
orders, what would be the standard error of the mean?
Anonymously data collection by hiding ASU brand in the survey question. - Answers -
You are collecting data via an online survey to improve education standard at ASU.
Which of the following methods will not result in data collection bias?
ACCURATE ANSWERS
Perform business discovery - Answers -In an agile approach of analytics what is the
first step of the process?
Data warehouse - Answers -In an ETL process, data is loaded into a final target
database such as:
Prescriptive analytics - Answers -Which of the following data analysis models use
optimization techniques?
Prescriptive Analytics - Answers -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.
Descriptive analytics - Answers -Target is examining their online sales data during the
pandemic to understand what happened. Which kind of analytical technique are they
using?
Predictive analytics - Answers -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?
Prescriptive analytics - Answers -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?
Who will win the NBA championship?
How many students will enroll for an online class in the Spring?
What is the purchase pattern(s) of our customers? - Answers -Which of the following
question(s) can be better answered using data in order to reach an evidence-based
conclusion?
Data ink can sometimes help tell a richer story - Answers -Which of the following
statement(s) about charts is true?
The data-ink ratio should be higher than 1 - Answers -Which of the following violates
the principle of data visualization?
Close to 1 - Answers -In for a chart to minimize graphical complexity, the data-ink ratio
must be:
, Tables cannot easily show trends - Answers -Which of the following statements is a
reason not to use a table for data visualization?
The size of the effect shown in the graph is bigger than the actual effect in the data. -
Answers -When the lie-factor of a graphical chart is more than 1,
Increases the data-ink ratio - Answers -Deleting the grid lines in a chart
Plots data using a circular historical plot - Answers -What best describes the nature of a
rose diagram?
Close to 1 - Answers -In order for a chart to have graphical integrity, the lie factor must
be:
Which of the following statement(s) about charts is true? - Answers -A chart should
have graphical integrity
A chart should minimize graphical complexity
A chart should tell a story
The graph suggests a possible true effect - Answers -Which are useful principles for
data visualization?
Distribution of the sample mean will still be normal when the sample size is large -
Answers -The central limit theorem states that even if the population is not normally
distributed, the
The null hypothesis is actually true, but the hypothesis test incorrectly rejects it. -
Answers -Which of the following is a Type-I error?
Confidence interval decreases - Answers -When sample size increases
Null hypothesis - Answers -Which of the following proposition describes an existing
theory or belief?
.930 - Answers -What is the confidence level when the level of significance is 0.07?
3.00
Sigma/sqrt=12/sqrt(16)=12/4=3 - Answers -The WPC Sports Company has noted that
the size of individual "customer order" is normally distributed with a mean of $100 and
standard deviation of $12. If a soccer team of 16 players were to make the next batch of
orders, what would be the standard error of the mean?
Anonymously data collection by hiding ASU brand in the survey question. - Answers -
You are collecting data via an online survey to improve education standard at ASU.
Which of the following methods will not result in data collection bias?
