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Exhibit 13-3
to Test Whether or Not There Is a Difference

Question 44

Multiple Choice

Exhibit 13-3
To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below. Exhibit 13-3 To test whether or not there is a difference between treatments A, B, and C, a sample of 12 observations has been randomly assigned to the 3 treatments. You are given the results below. -Refer to Exhibit 13-3. The null hypothesis for this ANOVA problem is A) \mu <sub>1</sub>= \mu <sub>2</sub> B) \mu <sub>1</sub>= \mu <sub>2</sub>= \mu <sub>3</sub> C) \mu <sub>1</sub>= \mu <sub>2</sub>= \mu <sub>3</sub>= \mu <sub>4</sub> D) \mu <sub>1</sub>= \mu <sub>2</sub>= ... = \mu <sub>12</sub>
-Refer to Exhibit 13-3. The null hypothesis for this ANOVA problem is


A) μ\mu 1= μ\mu 2
B) μ\mu 1= μ\mu 2= μ\mu 3
C) μ\mu 1= μ\mu 2= μ\mu 3= μ\mu 4
D) μ\mu 1= μ\mu 2= ... = μ\mu 12

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