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Develop a cumulative frequency polygon

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Reference no: EM13867632

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

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

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?

Reference no: EM13867632

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