s a statistics class' delivery type a factor in how well students do on the final exam? The table below shows the average percent on final exams from several randomly selected classes that used the different delivery types. Face-to-Face Hybrid Online 55 65 78 85 87 83 91 92 78 63 76 96 56 81 82 74 83 97 70 88 97 59 74 85 67 78 79 Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.1α=0.1. H0: μ1=μ2=μ3H0: μ1=μ2=μ3 H1:H1: At least two of the means differ from each other. For this study, we should use  ANOVA The test-statistic for this data = (Please show your answer to 3 decimal places.) The p-value for this sample = (Please show your answer to 4 decimal places.)

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Author:Amos Gilat
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Is a statistics class' delivery type a factor in how well students do on the final exam? The table below shows the average percent on final exams from several randomly selected classes that used the different delivery types.

Face-to-Face Hybrid Online
55 65 78
85 87 83
91 92 78
63 76 96
56 81 82
74 83 97
70 88 97
59 74 85
67 78 79

Assume that all distributions are normal, the three population standard deviations are all the same, and the data was collected independently and randomly. Use a level of significance of α=0.1α=0.1.

H0: μ1=μ2=μ3H0: μ1=μ2=μ3
H1:H1: At least two of the means differ from each other.

  1. For this study, we should use  ANOVA
  2. The test-statistic for this data = (Please show your answer to 3 decimal places.)
  3. The p-value for this sample = (Please show your answer to 4 decimal places.)
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