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8/18/2020 Take Test: Final Exam – Summer 2020 - Analyzing & ...

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Take Test: Final Exam

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Instructions

Timed Test This test has a time limit of 2 hours.This test will save and submit automatically when the time expires. Warnings appear when half the time, 5 minutes, 1 minute, and 30 seconds remain.

Multiple Attempts

Not allowed. This test can only be taken once.

Force Completion

Once started, this test must be completed in one sitting. Do not leave the test before clicking Save and Submit.

Your answers are saved automatically.

You have 120 minutes (two hours) to complete responses to all 24 questions of this Final Exam. You must complete all questions in one setting. The exam will AUTOMATICALLY submit when the time expires. So, once you start, plan to �nish within 2 hours.

QUESTION 1

Like note-taking, __________________ is something that might not be a natural trait for some, but it is so important. You cannot a�ord to carry any errors in your work.

Research

Communication

Attention to detail

Learn

5 points   Saved

QUESTION 2

Name and explain the eight hats/roles of data visualization.

Arial 3 (12pt)

5 points   Save Answer

Question Completion Status:

Remaining Time: 1 hour, 56 minutes, 12 seconds.

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8/18/2020 Take Test: Final Exam – Summer 2020 - Analyzing & ...

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QUESTION 3

_______ data is just an agent of communication and not a guarantor for what a viewer does with the opportunity for understanding what is presented.

Comprehending

Perceiving

Visualizing

Interpreting

5 points   Save Answer

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QUESTION 4

Summarize/discuss at least 6 key things discussed in this course that in�uence one's Design Choices.

Arial 3 (12pt)

5 points   Save Answer

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Remaining Time: 1 hour, 56 minutes, 12 seconds.

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QUESTION 5

What is the importance of RegEx or Regular Expressions in data analytics? Discuss the di�erences between the types of regular expressions. Choose two types of regular expressions and discuss the di�erences

between the two. Please be sure to include two or three di�erences for each. Include how they help manipulate data.

Arial 3 (12pt)

5 points   Save Answer

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QUESTION 6

Excel provides many features that make it useful for data visualization. It is a tool still widely used despite its limitations. Newer versions of Excel have addressed some of the limitations. What are 3 or 4 cons (limitations) to using Microsoft Excel for data visualization?

Arial 3 (12pt)

5 points   Save Answer

QUESTION 7

In this course we discussed some popular software (R, Python, Excel, RegEx, or Regular Expressions, and XML) that is used for data visualization. These are popular tools for several reason. But other tools are already in use or are emerging for visualizing data. Choose one such tool that we did NOT discuss - (1) list its structural features (data types supported, manipulation capability, availability, etc.) and (2), compare it to any one of the tools that we did discuss in this course.

Arial 3 (12pt)

5 points   Save Answer

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Remaining Time: 1 hour, 56 minutes, 12 seconds.

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( p )

QUESTION 8

____ is names, amounts, groups, statistical values, dates, comments, locatio ns. It is textual and numeric in format, typically held in datasets in table form, with rows of records and columns of di�erent variables.

Presentation

Data

Form

Visualization

5 points   Save Answer

QUESTION 9

(1) Open Python and import the re module. (2) Write a code step that creates a variable and assigns the data string to be searched (3) Search the string, looking speci�cally for "Customer #2179 and "outstanding invoice" (4) If both of those strings are found, print - YES! We have a match!, (5) If both of those strings are NOT found, print - No match found!

* show all code steps, the processed results of the code, and an appropriate comment line for each line of code.

You just got hired as a Data Specialist with the XM Data Corporation, a company which you have always wanted to work for. You said at your interview that you were very familiar with data visualization tools. The Data Team (at XMDC) assigns you to be their RegEx specialist; they want you to search this string of data: (This customer #2179 has an outstanding invoice). RegEx, or Regular Expression, is a sequence of characters that forms a search pattern. RegEx can be used to check if a string contains the speci�ed search pattern. Python has a built-in package called re, which can be used to work with Regular Expressions. The re module o�ers a set of functions that allows one to search a string for a match. Here is your assignment:

Arial 3 (12pt)

10 points   Save Answer

Question Completion Status:

Remaining Time: 1 hour, 56 minutes, 12 seconds.

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QUESTION 10

Three storytelling techniques are discussed in the text (pages 161-209) in which data is presented and stories are being interpreted. The techniques are described as inheritant characteristics of some charts and graphics. What is the importance and the advantages of using these techniques? Provide an example of each technique.

Arial 3 (12pt)

10 points   Save Answer

QUESTION 11

________ is another hard thing to pin down, especially as the word itself can have di�erent meanings for people, and especially when it has been somewhat "damaged' by the age-old complaints around something demonstrating it over substance.

Distinctions

Minimalism

Style

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Thoroughness

True

False

QUESTION 12

When programming in Python, use scipy.save("�le",ndarray) and scipy.load("�le") in order to store an array in a text file or raw binary.

5 points   Save Answer

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QUESTION 13

When combining two vectors of di�erent lengths (in R), the compiler gives an error message. It then uses the "recycle rule" to complete the combination. Two vectors X and Y are de�ned as follows: – X <- c(6, 4, 3, 2, 1) and Y <- c(1, 2). First, what will be the output-the product (Z) when these are combined as Z <- X*Y? Second, explain what the "recycle" rule is and how it works for this output.

Arial 3 (12pt)

5 points (Extra Credit)   Save Answer

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QUESTION 14

List and Describe 3 or 4 myths that are described in chapter 11 of Andy Kirk's book. Then state what is Kirks response to these myths.

Arial 3 (12pt)

5 points   Save Answer

Question Completion Status:

Remaining Time: 1 hour, 56 minutes, 12 seconds.

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QUESTION 15

Choose three of YOUR favorite visualizations. Write a 3 – 5 sentence summary (for each) of why you chose the visualizations. What catches your attention? Are these visuals e�ective in presenting the provided data? If possible, explain what you would do to improve the visualization(s).

Arial 3 (12pt)

10 points   Save Answer

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QUESTION 16

Write a series of R code that does the following: (a) Outputs: This is the �nal exam for (class name) at UC (b) Creates a S3 Class Object with components - your name, today's date, and the score you got on Quiz 1(APA) (c) Creates a list that shows scores your last three Discussion posts ( Discussion 4, 5, and 6) (d) Calculates both the sum and average of these three scores

* Show the code and results after processing and, add an appropriate comment line for each line of code

Arial 3 (12pt)

15 points   Save Answer

QUESTION 17

The humble pairing of _________ will prove to be a real ally throughout your process Do not rely on your memory; if you have a great sketch write it

5 points   Save Answer

Question Completion Status:

Remaining Time: 1 hour, 56 minutes, 12 seconds.

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process. Do not rely on your memory; if you have a great sketch, write it down. 

attention to detail

room to think 

note-taking

pen and paper

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QUESTION 18

What are the characteristics of functions - as are present in the R programming environment?

Arial 3 (12pt)

5 points   Save Answer

QUESTION 19

Which is the correct operator for power(x^y)?

X^y

X**y

X^^y

None of the mentioned

5 points   Save Answer

QUESTION 20

A ________________ process aims to provide a framework for thinking, rather than instructions for learning.

Product experimentation

Aways the same process

The �rst occasion, not the last

Pragmatic

5 points   Save Answer

Question Completion Status:

Remaining Time: 1 hour, 56 minutes, 12 seconds.

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Pragmatic

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QUESTION 21

Write a series of Python code that does the following: (a) De�ne a class object (MyCourse) (b) De�ne an array in this object init; set it with two values (your_name, my_start_score=0) (c) Add the three scores you received on from Discussion 4, 5, and 6 posts to init and show results (d) Calculate the average of all scores and show results in (MyCourse)

* Show the code and results after processing and, add an appropriate comment for each line of code

Arial 3 (12pt)

15 points   Save Answer

QUESTION 22

__________________ is: does the need engage with this work or is it entirely voluntary? Do they have a direct investment in having access to this information, perhaps as part of their job and they need this information to serve their duties?

Dynamic of need

Subject-matter knowledge

Subject-matter appeal

Understanding the di�erence

5 points   Save Answer

QUESTION 23

What are two bene�ts of �ltering using PivotTable �elds?

Arial 3 (12pt)

5 points   Save Answer

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QUESTION 24

When programming in Python, Operators with the same precedence are evaluated in which manner?

Left to Right

Right to Left

Can't say

None of the mentioned

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