10.100 Impact Strength The following data are readings (in metre-kilograms) of the impact strengths of two kinds of packaging material:

a. Use the Excel printout to determine whether there is evidence of a difference in the mean strengths for the two kinds of material.

b. Are there practical implications to your results?

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A B 1.25 0.89 1.16 1.01 1.33 0.97 1.15 0.95 1.23 0.94 1.20 1.02 1.32 0.98 1.28 1.06 1.21 0.98 Excel output for Exercise 10.100 D t-Test: Two-Sample Assuming Equal Variances Mean Variance Observations Pooled Variance Hypothesized Mean Difference df 1 Stat P(T