Using = 0.01, is there a difference in mean satisfaction levels?

Satisfaction Levels
A	B	C	D
94	75	70	68
90	68	73	70
85	77	76	72
80	83	78	65
	88	80	74
		68	65
		65

Step 1: State the Hypothesis

Ho: 1 = 2 = 3 = 4....

Ha: 1 2 3 4

Step 2: Select the = 0.01

Step 3: Find the Critical Value and Test Statistic:

Data to Data Analysis to AVOVA Single Factor

(F and F crit)

Step 4: Formulate the Decision Rule

Reject the Ho if F value is greater than the F crit.

Step 5: State your findings

Step 6: Apply the Decision Rule to reach your conclusion.