Reading scores. The grade-level reading scores from a reading test given to a random sample of 12 students in an urban high school graduating class are: 7. 13 13 7. 10 11 6. 15 15 10 8. a. Find the...

Extracted text: Reading scores. The grade-level reading scores from a reading test given to a random sample of 12 students in an urban high school graduating class are: 7. 13 13 7. 10 11 6. 15 15 10 8. a. Find the mean of the reading scores. 10.67 (Type an integer or a decimal. Round to two decimal places.) b. Find the standard deviation of the reading scores. 7.88 (Type an integer or a decimal. Round to two decimal places.) Submit quiz Type here to search