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37 42 30 36 26 32 28 24 34 47 (d) List all samples of nine numbers (without repl

ID: 3222663 • Letter: 3

Question

37 42 30 36 26 32 28 24 34 47

(d) List all samples of nine numbers (without replacement) that can be selected from this population. Calculate the sample mean and sampling error for each of these samples.

Round your answers to two decimal places.

Sample x¯ x¯- 42, 30, 36, 26, 32, 28, 24, 34, 47 37, 30, 36, 26, 32, 28, 24, 34, 47 37, 42, 36, 26, 32, 28, 24, 34, 47 37, 42, 30, 26, 32, 28, 24, 34, 47 37, 42, 30, 36, 32, 28, 24, 34, 47 37, 42, 30, 36, 26, 28, 24, 34, 47 37, 42, 30, 36, 26, 32, 24, 34, 47 37, 42, 30, 36, 26, 32, 28, 34, 47 37, 42, 30, 36, 26, 32, 28, 24, 47 37, 42, 30, 36, 26, 32, 28, 24, 34

Explanation / Answer

Mean=Sum of terms/Number of terms

=

mean = 33.6.

b)

37,42,30,26,32,28,24,34,47

mean = 33.3333

sampling error = 33.3333 - 33.6 = -0.27

c)37,42,30,26,32,28,34,34,47

sample mean = 34.4444

error = 34.444 -33.6 = 0.84444 = 0.84

d) do for each case yourself