Assume you had a random sample of 70 graduate students' GRE scores and you calculated a mean of 300 and standard deviati
Posted: Thu Jul 14, 2022 4:48 pm
Assume you had a random sample of 70 graduate students' GRE scores and you calculated a mean of 300 and standard deviation of 45 . Using a confidence level of 90%, calculate and interpret the margin of error ( 2 points).