Question: The statistical quantities average value and root-mean-square value can be applied to any distribution. Figure P18.82 shows the scores of a class of 150 students

The statistical quantities €œaverage value€ and €œroot-mean-square value€ can be applied to any distribution. Figure P18.82 shows the scores of a class of 150 students on a 100-point quiz.

(a) Find the average score for the class.

(b) Find the rms score for the class.

Figure P18.82

Number of students 25 20 15 10 Score 10 20 30 40 50 60 70 80 90 100

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