The value of the numerator of the calculation of the variance is 258, the correct option is D.
Given
The test scores of a geometry class are given below. 90, 75, 72, 88, 85.
<h3>What is a variance?</h3>
Variance is the expected value of the squared variation of a random variable from its mean value, in probability and statistics.
The mean of the test scores of a geometry class is;
The variance is given by;
Hence, the value of the numerator of the calculation of the variance is 258.
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