Question: An educator wants to determine whether a new curriculum signi cantly
An educator wants to determine whether a new curriculum signiﬁcantly improves standardized test scores for third grade students. She randomly divides 80 third-graders into two groups. Group 1 is taught using the new curriculum, while group 2 is taught using the traditional curriculum. At the end of the school year, both groups are given the standardized test and the mean scores are compared.
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