Mathematics, 29.08.2019 21:10, Abdullah1860

At a school there are two sections of algebra i for students in the 9th grade. the two classes have different teachers. the principal is interested in gauging the effectiveness of two different teaching methods and asks each teacher to try one of the methods. at the end of the semester both classes are given the same test and the results are compared. in this experiment, which is the variable of interest?
the two different teaching methods
the two different class test results
the two different math classes
the two different math teachers

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At a school there are two sections of algebra i for students in the 9th grade. the two classes have...