The Effect Size for the T Test for Independent Means

question 9

Multiple Choice

The effect size for the t test for independent means is the difference between the sample means divided by the:

• A)pooled estimate of the population SD
• B)SD of the distribution of differences between means
• C)SD of difference scores
• D)variance of difference scores for the population

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Definitions:

Consumer Surplus

The difference between the total amount that consumers are willing and able to pay for a good or service versus the total amount that they actually pay.

Producer Surplus

The difference between what producers are willing to accept for a good or service versus what they actually receive, usually due to market prices.

Total Surplus

Total surplus is the combined measure of consumer and producer surplus, indicating the total net benefit to society from the production and consumption of goods or services.

Performance Appraisal

A systematic evaluation process of assessing employee performance based on predefined criteria, aimed at identifying areas of improvement and development needs.