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A mathematics instructor wants to see if a computer homework system improves the scores of the...

A mathematics instructor wants to see if a computer homework system improves the scores of the students in the class. The instructor teaches two different sections of the same course. One section utilizes the computer homework system and the other section completes homework with paper and pencil. Are the two samples matched pairs or not? Why or why not?

math   Statistics-And-Probability   
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Answer #1

No, the two samples are not matched pairs.

Since both the samples (i.e the different sections of the same course) may not share same characteristics. In one of the two sections the students might score higher than the other section which does not satisfy the condition of matched pairs.

(If the instructor checks for both the computer section system and paper and pencil system on a single section it would be a matched pair)

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