WPC 300 Final Exam #2 Exam
Questions and Answers (Latest 2026).
perform business discovery - CORRECT ANSWERS In an agile approach of analytics what
is the first step of the process?
data warehouse - CORRECT ANSWERS In an ETL process, data is loaded into a final
target database such as:
prescriptive analytics - CORRECT ANSWERS Which of the following data analysis models
use optimization techniques?
Prescriptive Analytics - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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? - CORRECT 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 - CORRECT ANSWERS Which of the
following statement(s) about charts is true?
The data-ink ratio should be higher than 1 - CORRECT ANSWERS Which of the following
violates the principle of data visualization?
close to 1 - CORRECT ANSWERS In for a chart to minimize graphical complexity, the
data-ink ratio must be:
Tables cannot easily show trends - CORRECT 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. - CORRECT
ANSWERS When the lie-factor of a graphical chart is more than 1,
Increases the data-ink ratio - CORRECT ANSWERS Deleting the grid lines in a chart
Plots data using a circular historical plot - CORRECT ANSWERS What best describes the
nature of a rose diagram?
close to 1 - CORRECT 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? - CORRECT 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 - CORRECT ANSWERS Which are useful
principles for data visualization?
distribution of the sample mean will still be normal when the sample size is large - CORRECT
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. - CORRECT
ANSWERS Which of the following is a Type-I error?
Confidence interval decreases - CORRECT ANSWERS When sample size increases
Null hypothesis - CORRECT ANSWERS Which of the following proposition describes an
existing theory or belief?
.930 - CORRECT ANSWERS What is the confidence level when the level of significance is
0.07?
3.00
sigma/sqrt=12/sqrt(16)=12/4=3 - CORRECT 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. - CORRECT 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?
The t-distribution has a larger variance than the standard normal distribution - CORRECT ANSWERS
Which of the following is a difference between the t-distribution and the standard normal (z)
distribution?
Questions and Answers (Latest 2026).
perform business discovery - CORRECT ANSWERS In an agile approach of analytics what
is the first step of the process?
data warehouse - CORRECT ANSWERS In an ETL process, data is loaded into a final
target database such as:
prescriptive analytics - CORRECT ANSWERS Which of the following data analysis models
use optimization techniques?
Prescriptive Analytics - CORRECT 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 - CORRECT 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 - CORRECT 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 - CORRECT 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? - CORRECT 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 - CORRECT ANSWERS Which of the
following statement(s) about charts is true?
The data-ink ratio should be higher than 1 - CORRECT ANSWERS Which of the following
violates the principle of data visualization?
close to 1 - CORRECT ANSWERS In for a chart to minimize graphical complexity, the
data-ink ratio must be:
Tables cannot easily show trends - CORRECT 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. - CORRECT
ANSWERS When the lie-factor of a graphical chart is more than 1,
Increases the data-ink ratio - CORRECT ANSWERS Deleting the grid lines in a chart
Plots data using a circular historical plot - CORRECT ANSWERS What best describes the
nature of a rose diagram?
close to 1 - CORRECT 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? - CORRECT 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 - CORRECT ANSWERS Which are useful
principles for data visualization?
distribution of the sample mean will still be normal when the sample size is large - CORRECT
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. - CORRECT
ANSWERS Which of the following is a Type-I error?
Confidence interval decreases - CORRECT ANSWERS When sample size increases
Null hypothesis - CORRECT ANSWERS Which of the following proposition describes an
existing theory or belief?
.930 - CORRECT ANSWERS What is the confidence level when the level of significance is
0.07?
3.00
sigma/sqrt=12/sqrt(16)=12/4=3 - CORRECT 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. - CORRECT 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?
The t-distribution has a larger variance than the standard normal distribution - CORRECT ANSWERS
Which of the following is a difference between the t-distribution and the standard normal (z)
distribution?
