Question

Customer ratings at Amazon ar

e tabulated for three paperback

statistics

books. 5 is best, 1 is worst.

Ratin

g

5 4 3

2

1

Total

Statistics for Dummies

41

21

11

4

6

83

Idiot's Guide to Statistics

45

19

6

2

4

76

Cartoon Guide to Statistics

59

25

15

9

5

113

Total for Books

145

65

32

15

15

272

(a) Draw a bar chart for the

distribution of book (total),

(b) Draw a pie chart for the di

stribution of book (total),

(c) What does the bar chart tell

you that the pie chart does no

t?

(d) What does the pie chart te

ll you that the bar chart does no

t?

Answer 1

(a) Draw a bar chart for the distribution of book (total)

(b) Draw a pie chart for the distribution of book (total)

(c) What does the bar chart tell you that the pie chart does not?

The bar chart excels at showing discrete data while comparing one data-point vs. another.

(d) What does the pie chart tell you that the bar chart does not?

The pie chart excels at showing how various parts make up a whole.