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:

Gardner's Theory

Howard Gardner's theory of multiple intelligences, which proposes that people possess various kinds of cognitive strengths, encompassing linguistic, logical-mathematical, spatial, musical, bodily-kinesthetic, interpersonal, intrapersonal, and naturalistic intelligences.

Multiple Intelligences

A theory proposed by Howard Gardner, suggesting that individuals possess different kinds of intelligences, including linguistic, logical-mathematical, musical, spatial, bodily-kinesthetic, interpersonal, intrapersonal, and naturalistic.

Street Smarts

Practical intelligence and skills gained from personal experience outside of a formal educational environment, often in urban environments.

Robert Sternberg

A psychologist best known for his theory on love and intelligence, which includes the triarchic theory of intelligence.