What is the z-score of sample X, if n=256,mu=88,St Dev=128,and mu_X=96

tuanazado

tuanazado

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2022-08-15

What is the z-score of sample X, if n = 256 ,   μ = 88 ,   St.Dev = 128 ,   μ X = 96?

Answer & Explanation

Sage Braun

Sage Braun

Beginner2022-08-16Added 11 answers

Given
n = 256 μ = 88 St.Dev = 128 μ X = 96
Find the Standard Error
S E = σ n = 128 256 = 8
Find the z-score
z = 88 96 8 = 1

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