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EOCT 1 Math
Random important math stuff
Question | Answer |
---|---|
Mean | add up all the numbers and then divide by the number of numbers |
Median | the middle value in the list of numbers |
Mode | the value that occurs most often |
Range | the difference between the largest and smallest values |
Inter-quartile Range | The difference between the 1st quartile and the 3rd quartile |
Mean absolute deviation | 1) find the mean 2)determine the deviation 3)find the mean of the deviation |
Isosceles | Two sides are the same length, two angles are the same |
Equilateral | All three sides are the same length, all angles are too |
Scalene | all sides are different lengths, all angles are different |
Midpoint formula | (X2+X1) (Y1+Y2) ------ , -------- 2 2 |
Distance formula | D = square root of (x2-x1)2 + (y2-y1)2 |