Question: Consider the sample x1, x2, . . . , xn with sample x mean and sample standard deviation s. Let zi = (xi x)/s,

Consider the sample x1, x2, . . . , xn with sample x mean and sample standard deviation s. Let zi = (xi – x)/s, i = 1, = 2, . . . , n. What are the values of the sample mean and sample standard deviation of the zi?

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