STAT150 Lecture Notes - Lecture 6: Unimodality, European Route E20, Liposuction

• School: Macquarie University
• Department: Statistics
• Course: STAT150
• Professor: Petra Graham

Document Summary

= (cid:1004). (cid:1004)(cid:1012)(cid:1012)(cid:1009) > (cid:272)ha(cid:374)(cid:272)e of ha(cid:448)i(cid:374)g a (cid:272)redit (cid:272)ard a(cid:272)(cid:272)ou(cid:374)t (cid:271)ala(cid:374)(cid:272)e of (cid:1007)(cid:1007)(cid:1006)(cid:1009) is o(cid:374)ly (cid:1012). (cid:1013)% Prob (y<3325) = norm. dist (3325, 5350, 1500, true) Quiz 2 n = 17000, x = 3162, p = 0. 186 np = 3162, nq = 13838 > conditions met. Ci = p 1. 96 x (cid:2926) (cid:2927) n = 0. 186 1. 96 x (cid:2868). (cid:2869)(cid:2876)(cid:2874) (cid:2868). (cid:2876)(cid:2869)(cid:2872) (cid:2869)(cid:2875)(cid:2868)(cid:2868)(cid:2868: 95% ci. = 0. 180, 0. 192: 23% of australians were receiving welfare > it appears that the proportion of welfare recipients may have decreased between 2001 and 2014. Probabilities for means: is called a point estimate of (cid:645), that is, a si(cid:374)gle (cid:448)alue esti(cid:373)ate. Y = (cid:272)redit (cid:272)ard de(cid:271)t of a(cid:374) i(cid:374)di(cid:448)idual, (cid:645) = (cid:1009)(cid:1007)(cid:1009)(cid:1004), = (cid:1005)(cid:1009)(cid:1004)(cid:1004) = average debt of 30 people (cid:645) = (cid:1009)(cid:1007)(cid:1009)(cid:1004), = 1500/ (cid:885)0 = 273. 86. Pro(cid:271) (cid:894) >(cid:1011)(cid:1004)(cid:1004)(cid:1004)(cid:895) = (cid:1005) norm. dist (7000, 5350, 273. 86, true) = 0. 0000.