Question: Consider the following data related to the number of units that 6 sales representatives have sold during the last month, S. No 1 2 3

Consider the following data related to the number of units that 6 sales representatives have sold during the last month,

S. No

1

2

3

4

5

6

Sales

50

52

57

59

60

63

  1. Calculate mean µ and standard deviation σ.
  2. Assuming that you sample without replacement, select all possible of n = 2 and construct the sampling distribution of the mean. Compute the mean and standard deviations of all the sample means.
  3. Verify that
  1. Ex=μ
  2. .S.Ex=σn.N-nN-1

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