Answers
Solution:
a)
Test statistic = 0.1623
P-value = 0.8516
P-value is greater then 0.05
Conclusion: Fail to reject, Their is no sufficient evidence to support the claim.
b)
Writing seems to give students most trouble
Because it has lowest mean score
Data Summary Groups N Mean Std. Dev.
.
Std. Error Group 1 6 501.3333 67.8783 27.7112 Group 2 6 515.8333 56.2189 22.9513 Group 3 6 495 69.8656 28.5225 ANOVA Summary Degrees of Sum of Mean Freedom Squares P- Square Source F-Stat Value DF SS MS Between 1368.7742 684.3871 0.1623 0.8516 N Groups Within 15 63246.152 4216.4101 Groups Total: 17 64614.9261
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