Professor wants to know whether her students have equally absorbed the themes of the learning term. During the term she conducted three in-class tests. The average scores of students were 71.8, 81.5 and 75.8 (with maximum of 100 points) . Using the information above answer the question how should the professor define the difference between the three average in-class test scores.
A) Professor should set the null hypothesis and conduct an F test.
B) Professor should set the null hypothesis and conduct an F test.
C) Professor should set the null hypothesis and conduct an F test.
D) Professor should set the null hypothesis and conduct an F test.
Correct Answer:
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