Table 1 Simulation setting.

From: Symmetry of gamma distribution data about the mean after processing with EWMA function

Simulation setting

Value

Sample size

1000

Distribution

Gamma

Shape parameter (k)

20

Scale parameter

5

Replications

100

Confidence level

0.95

Statistical test

Two-sample t-test

Alpha level

0.05

Power calculation

Power of 0.8

Effect size

Cohen's d = 0.5

Statistical software (execution)

EXCEL

Statistical software (validation)

MATLAB