Perform the Required Hypothesis Test by Using a Mann-Whitney Test

question 80

Essay

Perform the required hypothesis test by using a Mann-Whitney test. Use a normal approximation for M. Find the meanand standard deviation of M, the value of M and of the test statistic, the critical value(s), and state your conclusion.
-Independent simple random samples of 11 female employees and 11 male employees are selected from one company and the weekly salaries of the employees are recorded. The salaries (in dollars)are shown below. Use a significance level of 0.10 to test whether the mean salary for female employees differs from the mean salary for male employees.

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Definitions:

Alpha Rhythm

A pattern of smooth, regular electrical oscillations in the human brain, typically around 8 to 12 Hz, associated with a state of wakeful relaxation.

EEG

Abbreviation for electroencephalogram, a test that measures electrical activity of the brain through small, flat metal discs attached to the scalp.

Awake Adults

Referencing the state of alertness and consciousness in adult individuals during periods they are not sleeping.

Spinal Cord

A long, thin, tubular structure made up of nervous tissue, which extends from the brainstem down the back, enclosed in the spinal canal.