Upgrade to remove ads
Statistics (GRE Math Formula Book)
Terms in this set (6)
For a set of n numbers: total sum / n
Middlemost value when numbers are arranged in ascending order; for an even amount of numbers, take the average of the middle two
The number that occurs most frequently
(proportion) x (group A average) + (proportion) x (group B average) + ...
SD = Sqrt((a-m)^2 + (b-m)^2 +(c-m0^2) +...)/n)) ;where a, b, and c are a set of numbers and m is the mean.
The standard deviation represents the average distance the data values are away from the mean.
value inside the square root of the standard deviation
THIS SET IS OFTEN IN FOLDERS WITH...
Coordinate Geometry (GRE Math Formula Book)
Word Problems (GRE Math Formula Book)
GMAT Quant. General
YOU MIGHT ALSO LIKE...
GRE Math | Kaplan Guide
EXST 2201 Test 2 Complete Review
Business Statistics: For Contemporary Decision Mak…
Central tendency and variation
OTHER SETS BY THIS CREATOR
Data Analysis (ETS GRE Math Review)
Probability (GRE Math Formula Book)
Counting (GRE Math Formula Book)
Geometry (Magoosh Math Book)