Question

What is the age distribution or adult shopliters (21 years of age or older) in supermarkets? The tollowing is based on intormation taken trom the National Retail Federation.A random sample f 95 incidents ot shoplitting gave the tollawing age distibution. Estimate the mean age, sample vanance, enul sample sLanded deviation for Lhe zlopliners. Fu' ปาษ dass 41 and ve, use 45.5 as thie class midpuinL·(Round yout driswers lu une decimal pleue.

Answer 1

olution Yom given clam 41 and oven, use y5-5 astte clw midRol 21-3031-4 ul andovo Yra Numko of Shoph 24936 Ag rangs CYcovw 21-30 31-40 Hidpeinl C 255 355 4515 x Mean Mean =天-- マー (949x255)+(3b 6x 355)十(180x195) 63151293+ 12H10 195 g95 X35.8y 35.q 1天-35.

249 x (25.5 +35.1), 3 lft (35-5-35-9% 210 (45.5-35寸 45 395 895 52395.2 895 sandond d eviation -S slonhad detolns Vlne Sz7구

Please thumbs-up / vote up this answer if it was helpful. In case of any problem, please comment below. I will surely help. Down-votes are permanent and not notified to us, so we can't help in that case.