Given the following test scores: 75, 83, 92, 56, 87, 78, 95, 85, 79, 88..... What is the mean? What percentage of the values fall within +/- 10 of the mean?

Respuesta :

the mean of the scores on the test is 81.8. the percentage of the amount of people that came within 10 of the mean is 60%