Compute the z-score corresponding to each of the following values of x:
a. x = 40, s = 5,
b. x = 90, μ = 89, σ = 2
c. m = 50, σ = 5, x = 50
d. s = 4, x = 20,
e. In parts a – d, state whether the z -score locates x within a sample or within a population.
f. In parts a – d, state whether each value of x lies above or below the mean and by how many standard deviations.
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