Question

Complete all of 1 a-e and make sure you make the graphs for each. Use this data set to compelte all problems posted here

6390 65 85 675 820 65.75 67.45 69 5 73.63 75.80 68 35 61.50 60 90 53.45 55.00 45.08 45.65 45.85 46 10 42.30

Answer 1

inen A= 59.3 pRM std dw':10.923 nm used is population datn X 1O 92 3 53.85 1 9-31 < 53-85), uhue X n the u napreentiy P leugn of dich Giuer, leugh e sh P(X<63.85)=A Calculating ase komaely distaibuted A 53-85-59-31 X-A lo-12 3 X N -0.5 z table comegonding to z= -0 5, A giueu by Patening 0-30 85 Am b Bince dintnibution i womaf 2. that normal diet nibution we urw Synmnetnical giuen by z walue comemoding bxt Gayhindty 0 30 85 Am Az

we Camphially fat X, be S X2 & par asea bytpo z z, from Conespandivg Prom -table in guen frem a As fam A 0.5-A =0.5-0:30 95 4 01915 0-5-0.3085 = 0141 S x x2xz)= 0.363 A x75 pecetle o h ize 4 pueentle weas- 25 ooteswiu be beloo hat X Valus ofX for which By 75M pecentle 75 1b tswiu be below Fhat X Valur Xfr which meam

Comphicay 25perctle P(x3) From 2-habla, Coaespending t 0-25 2 -valu ven by-0.6745 0-25 ahea O-25 X3 z-wahe iven z X- X3-59.31 -0.674S Jo. 92-3 51-94 Am Ch 15M pactle 075 aset e(x x)075 Sath ce din nomal &X4 eqwidiataut 6oth tail tutain ales at IX° mt be fnom wLan 0-25 M-X 5 31 - 57.94 7-37 59.31 +7.37 -66.68 A

Sanyle bize Std ener wean fo 12 2 X 4-885 phue a preseiting fLauples souple qual X=-0 an As to 5 gize f 59.31 3 = 51.31 55. 67 3 ( ) Clentiting A s -67-5.3) 4-25 - 0.74 Fr2-able comeepnding to Z2-0.74, gruen by .22 96 Am AS in e pat Caleuleting rten a a it was hot clear that ha to tahe Note: 80 as in or ves Pin notaten I hod chosen 10.933.