Slide the green dot from 0 to plot the number at the correct location.
Use the number line and the additive inverse to find the
difference.
Plot -
-3.5 -3
-2.5 -2
-1.5 -1
-0.5
0
0.5
1

answer: .64

step-by-step explanation

set up the formula for standard deviation for this set of numbers, then simplify

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong

you have to find the same variables -3n - 5n so this would be -3n +(-5n) which equals -9n

his answer is incorrect. i just used it, and it said it was incorrect. the answer is 0.