Deniz's Mock Exams

Difficulty: Easy · Topics: Probability, Statistics, Standard Deviation

The table shows Deniz's net scores in four mock exams.

Exam 1 2 3 4 --- --- --- --- --- Net score 96 84 92 96

What is the standard deviation of the scores?

(Use the standard deviation s=√(Σ (x i-bar x)^2)/(n-1).)