Once You Have the Significance Value of the T-Test, It

question 14

Multiple Choice

Once you have the significance value of the t-test, it is beneficial to calculate the effect size. Cohen's d is a measure of effect size. How is it calculated?

• A) (mean 2 - mean 1) / mean of the standard deviation
• B) (mean 2 - mean 1) × mean of the standard deviation
• C) (mean 2 + mean 1) - mean of the standard deviation
• D) (mean 2 / mean 1) + mean of the standard deviation

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