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Statistics / Statistical Techniques in Business and Economics 15 / Chapter 2 / Problem 22

Statistical Techniques in Business and Economics | 15th Edition | ISBN: 9780073401805 | Authors: Douglas Lind, William Marchal, Samuel Wathen

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The frequency distribution of order lead time at Ecommerce.com from Exercise 18 is

Chapter 0, Problem 22

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QUESTION:

The frequency distribution of order lead time at Ecommerce.com from Exercise 18 is repeated below. a. How many orders were filled in less than 10 days? In less than 15 days? b. Convert the frequency distribution to a cumulative frequency distribution. c. Develop a cumulative frequency polygon. d. About 60 percent of the orders were filled in less than how many days?

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QUESTION:

The frequency distribution of order lead time at Ecommerce.com from Exercise 18 is repeated below. a. How many orders were filled in less than 10 days? In less than 15 days? b. Convert the frequency distribution to a cumulative frequency distribution. c. Develop a cumulative frequency polygon. d. About 60 percent of the orders were filled in less than how many days?

ANSWER:

Step 1 of 6

Lead time (Days)	Frequency
0 up to 5	6
5 up to 10	7
10 up to 15	12
15 up to 20	8
20 up to 25	7
Total	40

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