1. a. Apply Tukey”ss multiple comparison method to determine which fertilizers differ in Exe

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1. a. Apply Tukey’s multiple comparison method to determine which fertilizers differ in Exercise 14.14.

b. Repeat Part a applying the Bonferroni adjustment.

2. Refer to Exercise 14.23. Apply Tukey’s multiple comparison method to determine whether there are differences in education (EDUC) between each pair of political groups.

3. Refer to Exercise 14.24. Suppose that all you want to know is whether there are statistically significant differences in income (INCOME) between Democrats and Independents and between Republicans and Independents. Perform the appropriate statistical procedure.

 

 

 

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