Answer to Question #345439 in Statistics and Probability for poll

Question

A. By adding 3 in each of the following in the set 6, 3, 5, 9, 7, 4 we obtain the set 9, 6, 8, 12, 10 and 7. Show how these 2 sets have the same standard deviations but different means.

B. After 3 months of training between these 2 employees, the proficiency test results were as follows:

Employee A: 58, 59, 60, 54, 65, 66, 52, 75, 69, 52

Employee B: 56, 87, 89, 78, 71, 73, 84, 65, 66, 48

Who do you consider more consistent? Show the statistical proof.

C. The following are the wages per hour of call center agents in a certain company:

Wages No.

P 60-61 12

P 62-63 18

P 64-65 27

P 66-67 20

P 68-69 25

P 70-71 22

P 72-73 17

P 74-75 15

P 76-77 10

Determine the following:

1. Quartile Deviations of their wages

2. Standard Deviation of their wages

Answer 1

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