Csci 618 Homework : Due Monday, March 2, 2020 1. Take a closer look at the ﬁgures on the top of page 55 and the top of page 69. (*) For each of these ﬁgures explain what graphical design errors were made. Did the designer make these errors on purpose? Please explain your reasoning (i.e., don’t simply answer yes or no). Demonstrate how these graphics might be improved. Using the data from the graphics (or your best approximation), construct a superior representation of the information. You can draw your graphic by hand or use a software package of your choosing to create your graphic. 2. Look at the 3 pie charts printed below. Repeat (*) in question 1 for them. 3. Find a fresh example of a poor statistical graphic. Do not choose your example from the book or any of the links on my homepage, but from an original (preferably recent) source. Journal articles, newspapers, magazines, and scholarly books are all appropriate sources. Repeat (*) in question 1 for the graphic you found. 1

Csci 618 Homework : Due Monday, March 2, 2020rrkinc/hmk_current/hmk1tufte.pdf · Chocolate creme 32% Cherry 27% *Total adds up to more than 100 percent because people were asked to

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Csci 618 Homework : Due Monday, March 2, 2020

1. Take a closer look at the figures on the top of page 55 and the top of page69.(*) For each of these figures explain what graphical design errors weremade. Did the designer make these errors on purpose? Please explain yourreasoning (i.e., don’t simply answer yes or no). Demonstrate how thesegraphics might be improved. Using the data from the graphics (or your bestapproximation), construct a superior representation of the information. Youcan draw your graphic by hand or use a software package of your choosingto create your graphic.

2. Look at the 3 pie charts printed below. Repeat (*) in question 1 for them.

3. Find a fresh example of a poor statistical graphic. Do not choose your exam-ple from the book or any of the links on my homepage, but from an original(preferably recent) source. Journal articles, newspapers, magazines, andscholarly books are all appropriate sources. Repeat (*) in question 1 for thegraphic you found.