Answered step-by-stepQuestion 1: Explain why a one-way ANOVA should be conducted...
Question 1: Explain why a one-way ANOVA should be conducted to compare the mean salary of the players nationality groups as opposed to a series of three independent means t tests.
Question 2: State the null and alternative hypotheses. (You will check the assumptions in the next question.)
Question 3: Check the assumptions:
The first ANOVA assumption is that the samples are independent. The other assumptions include: The response variable for each factor level needs to be approximately normally distributed OR the sample size for each factor level needs to be at least 30. Is this assumption met (per the summary statistics you computed above)
The population variances need to be equal for the three Nationality groups. Using the summary statistics, if the largest standard deviation divided by the smallest standard deviation is less than 2, then we can assume that the population variances are equal. Is this assumption met? Show your work.
Answer & Explanation
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