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Mathematics, 18.07.2020 04:01 rosieposie27
"A researcher wants to test if the mean G. P.A. of CC students transferring to Sac State is above 3.3. She randomly samples 25 CC students and finds that their average G. P.A. is 3.45. Assuming that the standard deviation of G. P.A.’s is 0.5, what can the researcher conclude at the 5% significance level
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