A physics tuition teacher claims that the usual practice of going through exercises during the class will be better than handing out exercises as homework. The following table provides the average scores of students in their recent physics quarterly tests from 6 different classes. 1 Exercises during class Class 2 3 4 5 88 79 76 67 88 65 66 Exercises as homework 86 78 77 65 85 Based on the p-value, determine if the data support the teacher's claim. Use a = 0.01.

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Confidence Intervals

When we calculate intervals in probability and statistics, it can be simply termed as finding out a confidence interval. The confidence interval is usually calculated from the data set which is observed. The value of the parameter that needs to be calculated is present here only.