the test scores of the students in four classes are summarized below. answer the questions about them.
class a : the range of scores is 37 and the mean score is 98.
class b: the range of scores is 28 and the mean score is 107.
class c: the range score is 34 and the mean score is 106.
class d: the range score is 36 and the mean score is 105.
a. based on the information above, which class has the highest scores on average?
b. based on the information above, which class's scores have the most variability?
a. Class B has the highest scores on average with a mean score of 107.
b. Class D has the most variability in scores with a range of 36.