Find the values of the expressions listed here Find the valu

Find the values of the expressions listed here: Find 4sigma i = 1 Xi for the scores X1 = 3, X2 = 5, X3 = 7, X4 = 10. Find 6sigma i = 1 Xi for the scores X1 = 2, X2 = 3, X3 = 4, X4 = 6, X5 = 9,X6 = 11, X7 = 14. Find N sigma i = 2 Xi for the scores X1 = 10, X2 = 12,X3 = 13, X4 = 15, X5 = 18. Find N - 1sigma i = 3 Xi for the scores X1 = 22, X2 = 24, X3 = 28, X4 = 35, X5 = 38, X6 = 40. In an experiment measuring the reaction times of eight subjects, the following scores in milliseconds

Solution

a)

sum = 3 + 5 +7+ 10 =25

b)

2+3+4+6+9+11= 35

c)

12+13+15+18 = 48

d)

28 + 35 + 38 + 40 = 141