Question: The ideas of average and root-mean-square value can be applied to any distribution. A class of 150 students had the following scores on a 100-point

The ideas of average and root-mean-square value can be applied to any distribution. A class of 150 students had the following scores on a 100-point quiz:

(a) Find the average score for the class.
(b) Find the root-mean square score for the class.

Number of Students Score 10 11 20 12 30 24 40 15 50 19 60 10 70 12 80 20 90 17 100 10

Number of Students Score 10 11 20 12 30 24 40 15 50 19 60 10 70 12 80 20 90 17 100 10

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