Scores from an experiment : 2,4,3,2,5,3,5,6,3,5,4,1,5,4
What is the variance ?
What is the standard deviation?
Two scored between which 68% of the scores are located?

Which function can be used to model the monthly profit for x trinkets produced? f(x) = –4(x – 50)(x – 250) f(x) = (x – 50)(x – 250) f(x) = 28(x + 50)(x + 250) f(x) = (x + 50)(x + 250)