13. The mean score on a quiz of a sample of 90 students was found to be 50 with a standard deviation of 20. Calculate th
Posted: Thu Feb 17, 2022 11:00 am
13. The mean score on a quiz of a sample of 90 students was found to be 50 with a standard deviation of 20. Calculate the 95 percent confidence interval 46.26 to 53.74 45.87 to 54.13 46.80 to 53.20 46.08 to 53.92