Question

whether dala l Statistics Exercises Income for Stress Index Recreation, % 10 15 12 Body Fat, % 13 7 12- 15 10 20 13 14

Answer 1

Body fat 13 9 21 samf all values a) mean= こ53 -g-42852 8.43 median =) 56구8911 13 median mid value. egt Val-lot vol 13-5-

(x-mean)42 Body Fat, % X-mean 4.571428571 20.89795918 8 0.4285714286 0.1836734694 3.428571429 11.75510204 2.571428571 6.612244898 -2.428571429 5.897959184 -1.428571429 2.040816327 0.5714285714 0.3265306122 deviation7.952380952 13 8.428571429 standard deviation mean

CoefficPent vosiaton Standod deviato tUI a ·96 8.43 c) 6S/ Con-ficence level-mean ± (t-o)+36 Ο、47, 15-39 | 68 Coidene

95/ corfiden leval meant LI 96)A SE g.u3t (196)(ヌ96 991, Con-fidena level ±(2-58)ASE mean う8 43 ± (a58) (7.96)

10, i2 io a o 13 a) 01151 12+9+-10+ 204114 13 mean ะ meanご12-5 medi1+12 an - 20-

Income for recreat 10 15 12 9 10 20 (x-mean)42 6.25 6.25 0.25 12.25 6.25 56.25 2.25 0.25 x-mean 2.5 2.5 -0.5 3.5 -2.5 7.5 13 12.5 standard deviation 0.5 mean 12.85714286

coefficient of Valuat。 mean 100 ,00 102-5 ะ 02-88 ) 68/ confictene interval - mean ± (1-o) SD -0.3G、35-36 951 confidence level. mea n ± 1r96) SD C) (12-8 ani Confidence Jevel) mean ± C2.58) SD 12.5 ± (2.53) (12:86) 30.t, 45-68

sthes Index 12 9 5 ) mean median- 5 68q I12 14 15 median angebghest Smalla - Smalle IO

Stress Index (x-mean)A2 x-mean 2.666666667 1.666666667 2.333333333 5.333333333 3.666666667 0.6666666667 -4.666666667 1.333333333 4.333333333 5.444444444 28.44444444 13.44444444 0.4444444444 12 15 6 14 9.666666667 standard deviation mean

meaつ 11:12o 91-67 mean+ (1.o) SD t (to) (II-D) 961 951 Cemfidente in ter val 762 U 6) (I 12) 4S Confidente lavel s lext -12.13,31.49 าร.. Confidence ater vol-) mean (a 58) SD 9า), Confidene lesel i) -17.OR, 38. 36