Hypothesis.

Knowledge of basic statistical concepts of 10 randomly selected engineers was measured on a scale of 100, before and after a short course in statistical quality control. This resulted in the data tabled below. Engineer 2 3 4 5 6 7 8 9 10 Before 43 82 77 39 51 66 55 61 79 43 After 41 84 74 48 53 61 59 75 82 48 Researchers believe that the short course will improve test scores. They will analyze this with a hypothesis test. Give the details of the test