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How much time (in minutes) do people spend on a typical visit to a local mall? A random sample of n = 104 shoppers was timed and the results (in minutes) are stored in the data file Shopping Times.

You were asked to describe graphically the shape of the distribution of shopping times in Exercise. Now describe the shape of the distribution numerically.

a. Find the mean shopping time.

b. Find the variance and standard deviation in shopping times.

c. Find the 95th percentile.

d. Find the five-number summary.

e. Find the coefficient of variation.

f. Ninety percent of the shoppers completed their shopping within approximately how many minutes?

You were asked to describe graphically the shape of the distribution of shopping times in Exercise. Now describe the shape of the distribution numerically.

a. Find the mean shopping time.

b. Find the variance and standard deviation in shopping times.

c. Find the 95th percentile.

d. Find the five-number summary.

e. Find the coefficient of variation.

f. Ninety percent of the shoppers completed their shopping within approximately how many minutes?

The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...

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