You want to compare a sample of n = 80 to a population where $\sigma$ = 6 and $\mu$ = 4. If x̄ = 8, what is the value of the standardized effect size?
A) 4
B) -4
C) .67
D) 5.96

Question

Quizplus · Accepted Answer

The standardized effect size is calculated using the formula (x̄ - μ) / σ. Here, x̄ = 8, μ = 4, and σ = 6. So, the effect size is (8 - 4) / 6 = 0.67.

You Want to Compare a Sample of N = 80 σ\sigmaσ

You Want to Compare a Sample of N = 80 $\sigma$