(Answered) Question imagine that a college professor is interested in

Statistics

Question: Imagine that a college professor is interested in the effects of a new instructional method on the math performance of first-year college students. All students take a math pretest and then are randomly assigned to a class using the new instructional method or a class using the old method. At the end of the semester, the professor gives all students the same final exam and has all students complete a national standardized test that assesses math ability.

a. What is the independent variable and what are its levels?

b. What scale variable could the professor use as a covariate in the statistical analysis of this study?

c. What are the dependent variables assessed by the professor?

d. What type of ANOVA could be used to analyze the results of this study?

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