ShareChat
click to see wallet page
search
Maths #maths
maths - Starisrics Complefe Formulas 1. Mean (Arithmetic Mean) 2. Median (a) Individual Series () Individudl Series Ex n+lth observation] Mean Median 2 (b) Discrete Series  (b) Discrete Series Efx Value corresponding 1o Median Mean Zf 2 cumuldtive frequency 2 (c) Continuous Series Direct Method (c) Continuous Series Efx Mean [(ڈ-4)]xh Zf Median + (d) Assumed Mean Method] ऋ = a + (Efd 1 = lower limit of median class] Where: Zf frequency before cf = cumulafive Where: d =  _ 0 median class  Step (e) Deviation Method f = frequency of median class Zfd` h = clqss width Xh x =a + Zf   Q Where: d = 4. Empirical Relation Mode = 3 Median २ Mean 3. Mode (a) Discrete Individual Series frequency of modal class f1 frequently Value occurring Mode frequency of preceeding class  most fo frequency of succeeding class (b) Continuous Series  f2 fol Mode = [ + Xh 2f1 fo - f2 6. Standard Deviation] Sfandard Deviafion (o) = V Variance 5. Variance] V02 () Individudl Series E( 7. Coefficient of Variation (CV) 02 డ (b) Discrete Series CV = X 100 Ef( ~) 02 ٤f 8. Comparison of Two Data Sets Step Deviation Method (c) Gredter CV = Gredter varidbility [Zfd2  Efal X h२ 02 consisfency Smaller CV = More Zf Zf Starisrics Complefe Formulas 1. Mean (Arithmetic Mean) 2. Median (a) Individual Series () Individudl Series Ex n+lth observation] Mean Median 2 (b) Discrete Series  (b) Discrete Series Efx Value corresponding 1o Median Mean Zf 2 cumuldtive frequency 2 (c) Continuous Series Direct Method (c) Continuous Series Efx Mean [(ڈ-4)]xh Zf Median + (d) Assumed Mean Method] ऋ = a + (Efd 1 = lower limit of median class] Where: Zf frequency before cf = cumulafive Where: d =  _ 0 median class  Step (e) Deviation Method f = frequency of median class Zfd` h = clqss width Xh x =a + Zf   Q Where: d = 4. Empirical Relation Mode = 3 Median २ Mean 3. Mode (a) Discrete Individual Series frequency of modal class f1 frequently Value occurring Mode frequency of preceeding class  most fo frequency of succeeding class (b) Continuous Series  f2 fol Mode = [ + Xh 2f1 fo - f2 6. Standard Deviation] Sfandard Deviafion (o) = V Variance 5. Variance] V02 () Individudl Series E( 7. Coefficient of Variation (CV) 02 డ (b) Discrete Series CV = X 100 Ef( ~) 02 ٤f 8. Comparison of Two Data Sets Step Deviation Method (c) Gredter CV = Gredter varidbility [Zfd2  Efal X h२ 02 consisfency Smaller CV = More Zf Zf - ShareChat