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Formulas

Maths formulas (stats, probability, finance etc)

Name of FormulaFormula
What is the mean average formula for a list of numbers? (Stats) M=(sum of) fx ------------- x
What is the mean average formula for a frequency table? (Stats) M=(sum of) fx -------------- (sum of) f
How do you find the interquartile range? (Stats) Q3 - Q1 (Q is the median of half the data, then the other half)
How do you find the range? The biggest - the smallest
Formula to find the Z score x-M ------ o-
Created by: sjbuzb
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