For the number of times a week reading a newspaper, from the Students data file referred to in Exercise 1.11, Figure 3.18 shows software output (rather crude)

of the stem-and-leaf plot and the box plot.

(a) From the box plot, identify the minimum, lower quartile, median, upper quartile, and maximum.

(b) Identify this five-number summary using the stemand-

leaf plot.

(c) Do the data appear to contain any outliers? If so, identify.

(d) The standard deviation is one of the following values—0.3, 3, 13, 23.Which do you think it is, and why?

Transcribed Image Text:

FIGURE 3.18 Stem Leaf 14 00 13 12 0 11 10 9 8 7 000000000 6 000 Boxplot 0 0 5 000000000 ----+ 4 0000 3 0000000000000 2 000000000 1 000000 0 0000