exam01-question13.docx - The data below represents the...

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The data below represents the yearly earnings (in $1000s of dollars) that high school and college (BS) graduates earn at a small firm. Determine if there is any difference in pay for the two groups: Be sure to include a complete analysis (i.e., all assumptions checked and full understanding of effects garnered) and a clear summary with all needed statistical details included (see lab keys for examples).
> plot(density(Exam1Q1$BS)) > agostino.test(Exam1Q1$Highschool) D'Agostino skewness test data: Exam1Q1$Highschool skew = -0.24041, z = -0.69269, p-value = 0.4885 alternative hypothesis: data have a skewness > agostino.test(Exam1Q1$BS) D'Agostino skewness test data: Exam1Q1$BS skew = -0.37545, z = -1.06905, p-value = 0.285 alternative hypothesis: data have a skewness
> shapiro.test(Exam1Q1$Highschool) Shapiro-Wilk normality test data: Exam1Q1$Highschool W = 0.97125, p-value = 0.41 > shapiro.test(Exam1Q1$BS) Shapiro-Wilk normality test

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