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Perform the indicated hypothesis test. Be sure to do the following: identify the claim and state the null and alternative
hypotheses. Determine the critical value and rejection region. Calculate the test statistic. Decide to reject or to fail to
reject the null hypothesis and interpret the decision in the context of the original claim. Assume that the samples are
independent and that each population has a normal distribution.
-At a college, 61 female students were randomly selected and it was found that their monthly income had a
standard deviation of $218.70. For 121 male students, the standard deviation was $303.66. Test the claim that
variance of monthly incomes is higher for male students than it is for female students. Use
Sexual Orientation
An enduring pattern of emotional, romantic, or sexual attraction to men, women, both sexes, neither sex, or another sex.
Mating Preferences
The criteria or factors that individuals in a species use to assess and choose their potential reproductive partners.
Evolutionary Account
An explanation or theory that accounts for the development and diversification of living organisms through natural selection over time.
Cultural Account
A cultural account refers to an explanation or interpretation of an event, phenomenon, or behavior from the perspective of cultural influences and contexts.
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