The book cost (in dollars) for one semesterʹs books are given below for a sample of five college students.Calculate the sample variance of the book costs.200, 130, 400, 500, 345
A) 22,450.00
B) 149.83
C) 370.00
D) 315.00

Question

Quizplus · Accepted Answer

The sample variance is calculated by finding the mean of the data, subtracting the mean from each data point, squaring the result, summing these squared differences, and then dividing by the number of data points minus one. The calculations for this data set result in a sample variance of 22,450.00.

The Book Cost (In Dollars) for One Semesterʹs Books Are