What is the formula for varience​

S^2=sample variance

x_i=the value of the one observation

\bar{x}=the mean value of all observations

n=the number of observations

Step-by-step explanation:

In probability theory and statistics, variance is the expectation of the squared deviation of a random variable from its mean. In other words, it measures how far a set of numbers is spread out from their average value.

hope i helped:)

what graph

step-by-step explanation: