The cafeteria manager at a manufacturing plant has kept track of the number of cups of coffee
Question:
a. Using the following descriptive statistics, construct a box-and-whisker plot for the data. Does the distribution appear to be symmetrical? If not, is it positively skewed or negatively skewed?
b. If this distribution of daily coffee totals is bell shaped and symmetrical, on approximately what percent of the days were 64 or fewer cups of coffee purchased?
A computer and statistical software will be desirable and useful. However, any necessary calculations can also be done with the aid of a pocket calculator. For readers using statistical software, keep in mind the file-naming key€” for example, the data for Exercise 3.57 will be in data file XR03057.
In exercise
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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