For the following set of data, find the percentage of data within 2 population standard deviations of the mean, to the nearest 10th of a percent. 90, 40, 63, 62, 65, 67, 63, 68

c > -10.55

step-by-step explanation:

step-by-step explanation:

answer: c

(2, -4)

goes 7 to the

(9, 4)

easy

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%