In a population with σ = 4,a score of X = 48 corresponds to z = 1.50.The mean for this population is µ = 42.

Name: In a population with σ = 4,a score of X = 48 corresponds to z = 1.50.The mean for this population is µ = 42.
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Question

Quizplus · Accepted Answer

We can use the formula for z-score to find the population mean:
z = (X - µ) / σ

Plugging in the values given:

1.5 = (48 - 42) / 4

Solving for X:

X = 42 + 1.5(4) = 48

Therefore, X = 48 corresponds to z = 1.50, which means that the given information is true.

In a Population with σ = 4,a Score of X