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Mathematics, 07.04.2021 20:20 xXwolfieplayzXx

Suppose the average score on the GRE is 1000. A group of undergraduates from USD score 1150, 1220, 1028, & 850 on the test. As a group did the USD students perform better than the national average at
the .01 level? What was the value of the test statistic (t score) used to make this decision?

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