Answer Happy

Please answer this statistics Q
It's one Q from A to D
المادة :Statistics الصف: تربية بدنية Ts1 Given the height in cm of 30 men : On donne les tailles en cm de 30 hommes: Height /tailles [145;1551 (155;165( [165;1751 [175;1851 | [185;195] Total Frequency (n;) 4 6 9 8 3 30 a) Represent the table of increasing cumulative a) Dresser le tableau des frequences cumulés frequency croissants. 73195 196 b) Calculate the mean X; the variance V(X), b) Calculer la moyennne X; la variance V(X), and the standard deviation. et l'écart-type. c)Trace The curve of increasing cumulative frequencies c)Tracer la courbe des frequences cumulés croissants d Determine the median graphically and by calculation. d) Determiner le mediane graphiquement et par calcule.