A Researcher Was Interested in Comparing Maths Scores by Gender

question 14

Multiple Choice

A researcher was interested in comparing maths scores by gender and used a t-test to do so.The mean for males was 66.25 and the mean for females was 78.24,with both groups having a standard deviation of 7.What is the effect size using Cohen's d?

• A)1.7
• B)0
• C)1.712
• D)-1.712

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Definitions:

Direct Costs of Disposal

The expenses directly linked to the process of disposing of an asset, including sales fees and legal costs.

Decreasing Costs

A situation where the expenses of producing a good or service fall over time, typically due to efficiency improvements or economies of scale.

LIFO Method

An inventory valuation method called "Last In, First Out," where the cost of the most recently purchased items is the first to be expensed as cost of goods sold.

Net Income

Refers to the total earnings or profit of a company after subtracting all expenses and costs from its total revenue.