Adms 2320 Assignment 17


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Reeser, Jordan, Ullah, petertsasis, SadiaMariamMalik, PaulEvans, paul k evans, AB, Kemper, RichardDPatterson, MichaelRochon, ROCHON, John Hofbauer, sophiaKyusk, Sabrina, JOHN, n/a, CarlLapp, staff, IngridSplettstoesser, NICOLE, LindaLove, ChristaWilkin, WilliamPomerantz, kimsnow, Aaida A. Mamuji, LoisK, Marlene, RobertL, LouiseRipley, Carbonell, ShamimAbdullah, JohnGlen, Rong Bin Huang, Blake, LOUISPIKE, KenMcBey, Sweeney,Chris, IndiraSomwaru, Sossan, Ron Ophir, MaryJoDucharme, Cristóbal, JohnK., EllenGSchraa, EllenSchraa, Bridget Cauthery , YogendraAcharya, dasci, Inho, AntonPetrenkoPhD, NiruNirupama, AliAsg, Alain Normand, Anton Patrenko, homan, NIL, SteohanieMilliken, LapkoffMonica, MarkPodolsky, Volpe, CharlesH., Coon, ChuckHendriks, PillarCarbonel, LindaReeser, Marius Dobre, Rusetski, Maute, ANDREASTREBINGER, shamim abdullah, Fang Chang, chang fang, ZICKICK, NabilTahani, LEE, JoanneCJones, N.A, Gelinas, BabarKhan, OanaAlexandruandGainaBarkhudarov, lim, Yogendra P Acharya, SemihYaldrim, Yarmolinsky, JosephFrankovic, JasonF, KONG, Christine K, raehan, DaynaPatterson, Chuang, A.Rusetski, KK

Population – Parameter Sample – Statistic Interval # Ordinal – Order Nominal – Category -Frequency -Relative frequency Sturgee’s # of class intervals = 1 +3.3logn Class width = largest – smallest observation/ # of classes Less than 50 5 -7 50-200 7-9 200-500 9-10 500-1000 10-11 1000-5000 11-13 5000-50000 13-17 More 50000 17-20 Histogram Tail to the right – positive Tail to the left – negative Bellshape – unimodal Ogive-ends at 1.0- Cumulative relative frequency Time series – measurements at successive points in time; line chart Cross sectional- observations measured at the same time Scatter diagram Independent x Dependent y Linear relationship- Positive= variable increases so does the other - Negative= opposite directions Empirical Rule: bell shaped (+/-) mean –sd 1 sd 68% 2 sd 95% 3 sd 99.7% Chebysheff’s Theorem 1 – 1/k 2 for k>1 K =2; 75% lie in 2 sd K =3; 88.9% lie in 3sd Mean – average Median – middle Mode – occurs the most often Range = largest – smallest obser


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