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Statistical Techniques in Business and Economics | 15th Edition | ISBN: 9780073401805 | Authors: Douglas Lind, William Marchal, Samuel Wathen
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The number of families who used the Minneapolis YWCA day care service was recorded

Chapter 0, Problem 50

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QUESTION:

The number of families who used the Minneapolis YWCA day care service was recorded during a 30-day period. The results are as follows:

a. Construct a cumulative frequency distribution.

b. Sketch a graph of the cumulative frequency polygon.

c. How many days saw fewer than 30 families utilize the day care center?

d. How busy were the highest 80 percent of the days?

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QUESTION:

The number of families who used the Minneapolis YWCA day care service was recorded during a 30-day period. The results are as follows:

a. Construct a cumulative frequency distribution.

b. Sketch a graph of the cumulative frequency polygon.

c. How many days saw fewer than 30 families utilize the day care center?

d. How busy were the highest 80 percent of the days?

ANSWER:

Step 1 of 4

A.

Cumulative frequency distribution table is constructed as below.

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