ksteinberg5418 ksteinberg5418

10-11-2022
Mathematics

Answered

the mean gpa of night students is 2.22 with a standard deviation of 0.92. the mean gpa of day students is 2.16 with a standard deviation of 0.93. you sample 40 night students and 50 day students. what is the mean of the distribution of sample mean differences (night gpa - day gpa)?

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