Suppose You Take a Random Sample from a Population Known

question 25

Multiple Choice

Suppose you take a random sample from a population known to be normally distributed, but the value of σ is unknown. Your sample size is n =15. Which formula below should be used to find the 95% confidence interval for the mean? ​

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Definitions:

Disposable Income

The residual financial resources for households to use in saving and spending post paying income taxes.

Savings Rate

The Savings Rate is the percentage of income that is not spent on consumption but instead saved for future expenses, investments, or emergencies.

Social Security

A government program that provides financial assistance to people with inadequate or no income, especially the elderly and disabled.

Savings Rate

The portion of disposable income that is not spent on consumption, but is saved or invested.