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Purchasing agent Angela Rodriguez reported the number of sales calls she received from suppliers on each...

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Question

Basic Math

Purchasing agent Angela Rodriguez reported the number of salescalls she received from suppliers on each of the past 14 days.Compute the variance for her daily calls during the 14-day period.Treat the data as a sample.

Calls

(x)

Number of days

f(x)

4

1

5

3

6

4

7

4

8

2

a. 1.88

b. 1.14

c. 1.67

d. .78

e. 1.31

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