Using the following data: Precipitation at Boston Airport (Inches) Find the mean and standard deviation for each day of the week. (b) Use SPSS to carry out Levene’s test to determine whether the assumption of homoscedasticity is justified. (c) Perform an analysis of variance to test the null hypothesis that precipitation does not vary by day of the week. Show the between and within sum of squares, the observed F-statistic, and the critical F-value.

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