What is the z-score of sample X, if n=36,mu=13.7,St Dev=21,and mu_X=9.9

Yazmin Sims 2022-10-14 Answered
What is the z-score of sample X, if n = 36 ,   μ = 13.7 ,   St.Dev = 21 ,   μ X = 9.9?
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Answers (1)

Answered 2022-10-15 Author has 13 answers
n = 36 μ = 13.7 St.Dev = 21 μ X = 9.9
Find the Standard Error
S E = S D n = 21 36 = 0.58
Find the z-score
z = μ X μ S E = 9.9 13.7 0.58 = 6.55
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