The following data are readings (in foot-pounds) of the impact strengths of two kinds of packaging material:

MS Excel output

a. Use the MS 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?

Transcribed Image Text:

1.25 89 1.16 101 1.33 97 1.15 95 1.23 94 120 1.02 1.32 98 1.28 1.06 1.21 98 2 t-Test: Two-Sample Assuming Equal Variances Mcan Varianca Obsorvations Pooled Variance Hypothesized Mean Difference df t Stat PİTcat) one-tall t Critical one-tall P(Ttwo-tail t Critical two-tail 1.2367 0.9778 0.0042 0.0024 0.0033 16 9.5641 0.0000 1.7459 0.0000 2.1199