To test the effect of a physical-fitness course on one€™s physical ability, the number of sit-ups that a person could do in 1 minute, both before and after the course, was recorded. Ten randomly selected participants scored as shown in the following table. Can you conclude that a significant amount of improvement took place? Use a = 0.01 and assume normality

a. Solve using the p-value approach.
b. Solve using the classical approach.

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Before 29 22 25 29 26 24 31 46 34 28 After 30 26 25 35 33 36 32 54 50 43