Mathematics, 12.07.2019 05:20 redhot12352

Ateacher wants to see if a new unit on taking square roots is students learn. she has five randomly selected students take a pre-test and a post test on the material. the scores are out of 20. has there been improvement? (pre-post) find the standard error.

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Ateacher wants to see if a new unit on taking square roots is students learn. she has five randomly...