On a nationwide test taken by high school students, the mean score was 54 and the standard deviation was 11. The scores
Posted: Tue Apr 26, 2022 6:03 pm
On a nationwide test taken by high school students, the mean score was 54 and the standard deviation was 11. The scores were normally distributed Completo the following statements, (a) Approximately of the students scored between 21 and 87. (6) Approadmately 95% of the students scored between and X 5 2