Mathematics, 18.05.2021 18:40 Echo009

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 12 students was 85.4 and the average biology grades of a sample of 11 students was 81.2. What is the null hypothesis for this study

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A group of college students believes the average grades in psychology courses are different than the...