B brittany New member May 7, 2010 #1 A standardized test has a mean of 100 and a standard deviation of 15. a. What persentage of people score betweeen 70 and 85? b. What percentage of people score between 100 an 115?
A standardized test has a mean of 100 and a standard deviation of 15. a. What persentage of people score betweeen 70 and 85? b. What percentage of people score between 100 an 115?