An instructor is evaluating the performance of students on a test.He records the number of points that each student missed and created a frequency distribution.This is provided below:
What is the variance for this population?
A)11.43
B)135.17
C)130.67
D)180.67
E)198.07

Question

An instructor is evaluating the performance of students on a test.He records the number of points that each student missed and created a frequency distribution.This is provided below: 
What is the variance for this population?
A)11.43 
B)135.17 
C)130.67 
D)180.67 
E)198.07

Quizplus · Accepted Answer

The Answer of An instructor is evaluating the performance of students on a test.He records the number of points that each student missed and created a frequency distribution.This is provided below: 
What is the variance for this population?
A)11.43 
B)135.17 
C)130.67 
D)180.67 
E)198.07

An Instructor Is Evaluating the Performance of Students on a Test.He