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Formulas
Maths formulas (stats, probability, finance etc)
Name of Formula | Formula |
---|---|
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- |