# Question

For the percent changes in January 2002 for the 30 companies in the Dow Jones Industrial Average (Table 2.6.7 in Chapter 2):

a. Find the mean percent change.

b. Find the median percent change.

c. Find the five-number summary for percent change.

d. Draw the box plot for percent change.

e. Draw the cumulative distribution function for percent change.

f. Find the percentile of a data value of 5% and the data value of the 70th percentile.

a. Find the mean percent change.

b. Find the median percent change.

c. Find the five-number summary for percent change.

d. Draw the box plot for percent change.

e. Draw the cumulative distribution function for percent change.

f. Find the percentile of a data value of 5% and the data value of the 70th percentile.

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