Types of means Flashcards
1
Q
Geometric mean
A
n√ value 1 x value 2 x value n
2
Q
Weighted mean
A
(∑”weight” )
3
Q
what does ∑ represent?
A
standard deviation
4
Q
What is standard deviation in GCSE Statistics?
A
s = (root) ∑(x+x) 2
——————–
n-1
