Under What Circumstances Can a Very Small Treatment Effect Be

question 31

Multiple Choice

Under what circumstances can a very small treatment effect be statistically significant?

• A)if the sample size big and the sample variance is small
• B)if the sample size and the sample variance are both big
• C)if the sample size is small and the sample variance is big
• D)if the sample size and the sample variance are both small

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Definitions:

Operating Income

The income earned from a firm's core business operations, excluding deductions of interest and taxes.

Break-even Point

The level of sales at which total revenues equal total costs, resulting in no net profit or loss.

Sales Mix

Sales mix refers to the combination of different products or services that a company sells, impacting the overall profitability depending on the profit margin of each product or service.

Variable Expenses

Expenses that fluctuate with the level of output or activity, in contrast to fixed expenses that remain constant regardless of activity level.