Systematic sampling is a type of probability sampling method in which sample members from a larger population are selected according to a random starting point but with a fixed, periodic interval. This interval, called the sampling interval, is calculated by dividing the population size by the desired sample size.
(x + 2)/2 = (x - 6)/10
5(x + 2) = x - 6
5x + 10 = x - 6
5x - x = -6 - 10
4x = -16
x = -16/4 = -4
x = -4
Answer:
-2
Step-by-step explanation:
the slope is 4/-2
so when you reduce it you get -2