Samples of Employees of Companies a and B Provided the Following

question 135

Short Answer

Samples of employees of Companies A and B provided the following information regarding the ages of employees.
$\begin{array}{lll}&\text { Company A }&\text { Company B}\\\text { Sample Size } & 32 & 36 \\\text { Average Age } & 42 & 47\\\text { variance }&16&36\end{array}$ Develop a 97% confidence interval for the difference between the average ages of the employees of the two companies.

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Definitions:

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded by consumers at those prices.

Increase in Demand

describes a situation where there is a higher quantity of a product or service desired by consumers at a given price level.

Inferior Good

A type of good for which demand decreases as the income of individuals increases, inversely related to income levels.

Substitutes

Goods or services that can be used in place of each other, where an increase in the price of one leads to an increase in the demand for the other.