Descriptive Statistics Formula Sheet Sample Population Characteristic statistic Parameter raw scores x, Y mean (central tendency) range (interval/ratio data) deviation (distance from mea) M- highest minus lowest value highest minus lowest value Deviation (x-M) Deviation : (X-? ) average deviation (average distance from mean) | ?(x-M ) 2 (2x)2 sum of the squares (sS) (computotional formuio) variance ( average deviation standard deviation lcomputational formula) o 2x2 standard deviation (average deviation or distance from mean) (computational formula x)2 scores istandard scores)ZM deviation Xu x-? x-M deviation s stand

Subject:MathPrice:2.85 Bought3

Share With

Descriptive Statistics Formula Sheet Sample Population Characteristic statistic Parameter raw scores x, Y mean (central tendency) range (interval/ratio data) deviation (distance from mea) M- highest minus lowest value highest minus lowest value Deviation (x-M) Deviation : (X-? ) average deviation (average distance from mean) | ?(x-M ) 2 (2x)2 sum of the squares (sS) (computotional formuio) variance ( average deviation standard deviation lcomputational formula) o 2x2 standard deviation (average deviation or distance from mean) (computational formula x)2 scores istandard scores)ZM deviation Xu x-? x-M deviation s stand. dev. mean 0 standard deviation.0 XMZs Area Under the Normal Curve "Is to +1s 68.3% -2s to +2s-95.4% -3s to +3s: 99.7% 34.13% 34.13% 13.59% 13.59% 2.15% 2. I 5% 0.13% 0.13%