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9.3 Practice Progress saved Don Score: 3/72 0/3 answered Question 1 3/25 pts Part 1 of 4 Tracey teaches five sections of Introductory Psychology. She
9.3 Practice Progress saved Don Score: 3/72 0/3 answered Question 1 3/25 pts Part 1 of 4 Tracey teaches five sections of Introductory Psychology. She wants to know whether or not the average score on the second exam is the same for all five sections. Tracey's student's exam scores are listed below. Use an ANOVA test with a level of significance of 8% to test whether the average score is the same for all five sections. Section 1: 68, 52, 75, 71, 79, 53, 61, 56, 75, 65, 76, 74, 60, 54, 80, 63, 71, 61, 64, 74, 58, 60, 56, 86, 68, 65, 68, 62, 73, 76, 58, 78 Section 2: 60, 73, 62, 60, 68, 70, 73, 63, 81, 74, 62, 46, 63, 76, 58, 58, 68, 73, 68, 61, 61, 60, 70, 70, 57, 66, 45, 62, 84, 75, 67 Section 3: 58, 61, 67, 67, 71, 80, 73, 66, 74, 76, 63, 59, 69, 66, 55, 66, 61, 63, 66, 70, 57, 63, 54, 65, 62, 77, 55, 67, 59, 57 Section 4: 65, 55, 71, 61, 46, 56, 69, 67, 67, 67, 64, 55, 56, 60, 59, 61, 58, 57, 59, 65, 65, 56, 60, 59, 61, 68, 48, 73 Section 5: 56, 76, 81, 80, 72, 57, 64, 61, 64, 69, 67, 71, 70, 74, 54, 63, 63, 55, 69, 58, 75, 77, 65, 72, 60, 80, 69, 50, 66 Step 1: State the null and alternative hypotheses.Step 1: State the null and alternative hypotheses. Ho: H. : At least one mean isn't equal to the other means v Part 2 of 4 Step 2: Assuming the null hypothesis is true, determine the features of the distribution of test statistics. We will use a(n) F distribution with numerator degrees of freedom d fbetween and denominator degrees of freedom d fwithin
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