Find the mean and standard deviation for the sample

Reference no: EM13900220

1. In a sample distribution, X = 56 corresponds to z = 1.00, and X = 47 corresponds to z = 20.50. Find the mean and standard deviation for the sample.

2. For each of the following populations, would a score of X =50 be considered a central score (near the middle of the distribution) or an extreme score (far out in the tail of the distribution)?

a. µ = 45 and s = 10

b. µ = 45 and s = 2

c. µ = 90 and s = 20

d. µ =60 and s = 20

Reference no: EM13900220

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