A town uses positive numbers to track increases in population and negative numbers to track decreases in population. The population has decreased by 300300300 residents over the past 555 years. The same number of residents left each year.
What was the change in the town's population each year?

answer: .64

step-by-step explanation

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

ksksfksag;

we are given scale of 2 units.

on graph paper the space is 2.5 cm.

length of glass = 8 units.

8 units = 2 units +2 units +2 units +2 units.

each 2 unit is = 2.5cm.

therefore,

8 units = 2 units +2 units +2 units +2 units = 2.5+2.5+2.5+2.5= 10cm.