Mathematics, 01.03.2021 07:50 sierravick123owr441
A teacher wants to test the effectiveness of two
different math textbooks. She divides her class
into two groups. One group studies out of
textbook A and the other out of textbook B. At
the end of the year she tests both groups to
see which one scores higher. This is an
example of
Answers: 3
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A teacher wants to test the effectiveness of two
different math textbooks. She divides her class
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