When Is the T Distribution Used Instead of the Z

question 20

Multiple Choice

When is the t distribution used instead of the Z distribution to test the significance of the difference between two sample proportions?

• A)never
• B)when sample size is very large
• C)when one sample is much larger than the other
• D)when N is small

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Definitions:

Marginal Cost

Cost of one additional unit of a good.

Marginal Benefit

Benefit from the consumption of one additional unit of a good.

Incentivized

Encouraged or motivated through the offering of incentives or rewards to perform a particular action or behavior.

Recession Of 2008

A severe global economic downturn triggered by the collapse of the housing market and financial institutions, leading to widespread job losses and economic instability.