Question: Consider the accompanying data on breaking load (kg/25mm width) for various fabrics in both an unabraded condition and abraded condition. Use the paired t-test to test Ho: μ_D=0 versus Ha: μ_D>0 at a significance level of .01. (5 points)

1 2 3 4 5 6 7 8

Unabraded 36.4 55.0 51.5 38.7 43.2 48.8 25.6 49.8

Abraded 28.5 20.0 46.0 34.5 36.5 52.5 26.5 46.5