An instructor is grading tests for a class of 30 students. After the 29th student, the...

An instructor is grading tests for a class of 30 students. After the 29th student, the class mean is 51 and the class median is 81. the tests may be assumed to be in order from lowest to highest.

a. how is the distribution skewed?

b. what score must the 30th student get in order to raise the class average to 85.5?

c.after the 30th score is added to the group, the median rises to 82. What is the 16th score?

Expert Solution

orchestra answered 1 year ago

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