Test Hypotheses Regarding Two Population Standard Deviations
-At a Retail $\$ 255.15$

question 20

Short Answer

Test Hypotheses Regarding Two Population Standard Deviations
-At a retail store, 61 female employees were randomly selected and it was found that their monthly income had a standard deviation of $\$ 255.15$ . For 121 male employees, the standard deviation was $\$ 354.27$ . Test the hypothesis that variance of monthly incomes is higher for male employees than it is for female employees. Use $\alpha = 0.01$ . Assume the samples were randomly selected from normal populations.

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Definitions:

Convertible Bond

A category of bond which allows conversion into a specific quantity of the issuer's equity at designated times throughout its lifespan, often at the choice of the person holding the bond.

Conversion Price

The predetermined price at which a convertible security, like a convertible bond or preferred share, can be converted into common shares of the issuing company.

Market Yield

The annual income return on an investment, expressed as a percentage of the market price.

Stock Price

The cost of purchasing a share of a company's stock on the open market.