Answer:
The variance is
Step-by-step explanation:
From the question we are told that
The sample size is n = 21
The sum of squares is
Generally the variance is mathematically represented as
substituting values
Holy @$#% THAT LOOKS HARD! Sorry, I can't help I don't know that math yet.
Answer:90
Step-by-step explanation:
Sale price:
origional price-money off
900-900*0.095
mulitplication and subtraction
814.5
Answer:
18/22
Step-by-step explanation: