The correct formula for Cohen's d for a single-sample t test is:
A) (X - M)/N.
B) (X - M)/(N - 1).
C) (M - $\mu $)/s.
D) (M - $\mu $)/(s - 1).

Question

The correct formula for Cohen's d for a single-sample t test is:
A) (X - M)/N.
B) (X - M)/(N - 1).
C) (M - $\mu  $)/s.
D) (M - $\mu  $)/(s - 1).

Quizplus · Accepted Answer

The correct formula for Cohen's d for a single-sample t test is (M - population mean)/s. This formula calculates the standardized difference between the sample mean and the hypothesized population mean, in units of the standard deviation. Choice C is the only option that includes the correct variables and formula for Cohen's d.

The Correct Formula for Cohen's D for a Single-Sample T μ\mu μ

The Correct Formula for Cohen's D for a Single-Sample T $\mu$