A sample of n = 16 scores is obtained from a population with μ = 70 and σ = 20. If the sample mean is M = 75, then the z-score for the sample mean is _____. a. z = 0.50 b. z = 0.25 c. z = 1.00 d. z = 2.00

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A sample of n = 16 scores is obtained from a population with μ = 70 and σ = 20. If the sample mean is M = 75, then the z-score for the sample mean is _____.

a.
z = 0.50
b.
z = 0.25
c.
z = 1.00
d.
z = 2.00
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