The data in the following table give readings in
Chapter 10, Problem 124SE(choose chapter or problem)
The data in the following table give readings in foot-pounds of the impact strength of two kinds of packaging material, type A and type B. Determine whether the data suggests a difference in mean strength between the two kinds of material. Test at the \(\alpha=.10\) level of significance.
\(\sum y_{i}=11.13\) |
\(\sum y_{i}=8.80\) |
\(\bar{y}=1.237\) |
\(\bar{y}=.978\) |
\(\sum y_{i}^{2}=13.7973\) |
\(\sum y_{i}^{2}=8.6240\) |
Equation Transcription:
Text Transcription:
alpha =.10
sum y_i = 11.13
sum y_i = 8.80
bar{y} = 1.237
bar{y} = .978\)
sum y_{i}^{2} = 13.7973
sum y_{i}^{2} = 8.6240
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