At a Local Store, 65 Female Employees Were Randomly Selected

question 66

Essay

At a local store, 65 female employees were randomly selected and it was found that their mean monthlyincome was $642 with a standard deviation of $121.50. Seventy-five male employees were also randomlyselected and their mean monthly income was found to be $684 with a standard deviation of $168.70. Test thehypothesis that male employees have a higher monthly income than female employees. Use α = 0.01.

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Definitions:

Social-Cognitive Theorist

A psychologist who studies how people learn through observing others and the effects of cognitive processes on social behavior.

Reinforced

Strengthened or supported, especially in the context of behavior strengthened by rewards or consequences.

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Saturation

Vividness or purity of color; the dimension of visual experience related to the complexity of light waves.