The following data values represent a population. what is the variance of the values? 7, 15, 11, 1, 11

The best and the most correct answer among the choices provided by the question is the first choice. The variance of the values is 1. I hope my answer has come to your help. God bless and have a nice day ahead! Feel free to ask more questions here in . 

Best answer that i found on yahoo ok   set :   x= length of 2nd piece in cm  x- 3= length of 1st piece in cm  x-4= length of 3rd piece in cm  then since you know they all came from the 20 cm ribbon you add them together and set them equal to 20x+ x-3 +x-4 = 20  3x - 7= 20  3x= 27  x= 9  the shortest piece is the third piece which is x- 4  x-4  9-4 = 5  the length of the smallest piece is 5 cm.  the other lengths are  9 cm  6 cm