Question options:
a.

s^{2} = 4

b.

s^{2} = 16

c.

s^{2} = 64

d.

s^{2} = 36

Sample size (n) = 16
Mean (M) = 65
Estimated standard error (E) = 2
Explanation:
The formula of estimated standard error is:
Substitute 16 for n and 2 for E in the of estimated standard error formula, get:
We know that sample variance is square o...
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