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(Solved): WPC 300 : Final Exam DEC 2020 update...

WPC 300 :  Final Exam

DEC 2020 update

(Answer sheet contains 80 answers )

Score above 80% 

Question 1

Which of the following is not a principle of problem farming

  • Routinize the procedure
  • Find an appropriate solution framework
  • Teall an interesting and complete story
  • Visualize the data

Question 2

Finding pattens in data in an example of ________ modeling

  • descriptive
  • prescriptive
  • predictive
  • explanatory

Question 3

Which of the following analytical techniques can be used to find out “which month had the highest sales year?”

  • predictive
  • descriptive
  • prescriptive
  • explanatory

Question 4

Which of the following analysis can be used to understand a causal relationship?

  • predictive
  • explanatory
  • descriptive
  • prescriptive

Question 5

The process of analytics can include

  • analyze the data
  • Predict an outcome
  • Collect data
  • All of the above selections are correct

Question 6

Analytics can be used in ________?

  • Supply Chain Management
  • Finance & Accounting
  • Marketing
  • All of the answer selections are correct

Question 7

Which of the following is not an example of data?

  • Firms proprietary database
  • Online survey data that we collected
  • Data that has already been published
  • Stock market data from a data feed

Question 8

When you are expecting a correlation between sales and profit as shown in the graph below, what kind of visualization is this?

  • Spatial visualization
  • Confirmation visualization
  • Production visualization
  • Dynamic visualization

Question 9

When the lie-factor of graphical chart is more than 1

  • the graph understates the true effect
  • the size of the effect shown in the graph is smaller than the actual effect in the data
  • the graph suggests a possible true effect
  • the size of the effect shown in the graph is bigger than the actual effect of the data

Question 10

Deleting and the grind lines in a table and the horizontal lines in a chart _____________.

  • increases the data-ink ratio
  • won’t make any change to the data-ink ration
  • decreases the data-ink ratio
  • decreases the data-ink ratio to 0.5

Question 11

Which elements is least useful in the storytelling with data?

  • Visuals
  • Narrative
  • Sound Effects
  • Data

Question 12

Adding the grind in the chart _________.

  • Decreases the lie-factor
  • increases the data-ink ratio
  • Decreases the data-ink ratio
  • Increases the lie-factor

Question 13

Which of the following statements describes one of the basic principle for creating a good chart, as defined by Edward Tufte?

  • The chart should tell a story
  • The chart should have a lot of ink
  • The chart should display grid for easy reading
  • The chart should simply stand out.

Question 14

We need to create good stories when making an analytics presentation in order to:

  • Provide a surprising finish
  • Get the bonus
  • Creating an emotional engagement with the audience
  • Know your audience

Question 15

Which of the following applies to an audience?

  • Most people respond worse to visual information vs plain text
  • Most of the information transmitted to the brain is not visual
  • Most believe that visual content engages best on social medial
  • In social medial users engage more with lengthy plain text vs video

Question 16

Fundamental principle(s) (adapted by Edward Tufte) for a vusual display of quantitative information require(s) that the chart should __________

  • Tell a story
  • Minimize graphical complexity
  • All of the answer selections are correct
  • Have a graphical integrity

Question 17

Covariance is a measure of __________

  • Non-linear association between two variables x and y
  • Linear association between two variables x and y which does not depend on the unit on the measurement
  • Linear association between two variables x and y
  • None of the answers are correct

Question 18

Which of the following is an example of a continuous variable?

  • Employment classification of an employee at a restaurant
  • A restaurant chosen by the diner
  • The choices on a lunch menu
  • The amount of time a customer waits at a restaurant before being served

Question 19

In the Phoenix area, the correlation between housing selling price and the real estate tax bill have what kind of correlation?

  • Nonlinear correlation
  • Negative
  • Positive
  • No correlation

Question 20

Which of the following is not an example of continuous data?

  • Tuition
  • Height
  • Gender
  • Revenue

Question 21

Which of the following are of interest when describing the distribution of a numerical variable ?

  • Shape
  • Spread
  • Centrality
  • AI of the answers are correct


Question 38

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