A group of college students believes the average grades in psychology courses are different than the average grades in biology courses. The group found the average psychology grades of a sample of 8 students was 86.4 and the average biology grades of a sample of 10 students was 82.2. What is the null hypothesis for this study?

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The Answer of A group of college students believes the average grades in psychology courses are different than the average grades in biology courses. The group found the average psychology grades of a sample of 8 students was 86.4 and the average biology grades of a sample of 10 students was 82.2. What is the null hypothesis for this study?

A Group of College Students Believes the Average Grades in Psychology