You want to see if the median Household Income is different among the likely voters of the top three candidates in the Jefferson State Senate Primary Geoff Picton, Arnold Pereira, & Megan Harrison. You randomly select 8 voters for each candidate.

At the 0.05 significance level, is there a difference median household income?

Median Household Income (Picton)	Median Household Income (Pereira)	Median Household Income (Harrison)
39842	38230	59384
30113	34621	59389
66301	48113	87273
95443	88225	42433
37814	34526	58475
49020	44537	80084
45332	40338	112938
30211	34219	59383

STEP A: Calculate, c, the number of groups.

STEP B: Calculate, , the number of observations for each group, j.

STEP C: Calculate the mean value for each group, .

STEP D: Calculate the grand mean, .

STEP E: Calculate the degrees of freedom for:

• SST: Total Sum of Squares
• SSA: Among Group Variation
• SSW: Within Group Variation

STEP F: Calculate:

• SST: Total Sum of Squares
• SSA: Among Group Variation
• SSW: Within Group Variation

STEP G: Calculate:

• MSA: Mean Square Among
• MSW: Mean Square Within

STEP H: What is the Significance of the F-Stat? How do you interpret the F-Stat?

STEP I: Complete a One-Way ANOVA Table

ANOVA
	d.f.	SS	MS	F	p-value
Among Groups
Within Groups
Total

STEP J: Calculate the Tukey-Kramer Critical Range?