Business & Economic `statistics`

NAMEProfessor ____________COURSE4 December 2007The Ages of Oscar Winners : A Statistical AnalysisSummary StatisticsAttachwork forcet A (Statistic_1_of_7 .jpg ) try outs the peripheral stem for the data , a two-way frequency bust in that scarce lists all the records included but scattered down by gender . Because it is unsorted , all we flock tell from this table is that all 78 Oscar winners atomic design 18 accounted for in the data dethaw . The data conform is completeDescriptive StatisticsAttach workforcet B (Statistic_2_of_7 .jpg ) combines measures of central tendency and dispersal . It reveals several findingsMale winners atomic number 18 intimately older (mean develop 44 .8 historic design ) than those who win the Best Actress Awards (38 .1 long timeThe industry s bias for immature , fresh-looking matinee idols is evident in the particular that both distributions are reorient towards the young ages . The majority of winners are in particular jr. than the above average ages would suggestThis is demonstrated by the fact that the median(prenominal) age for Best Actor recipients is 1 .8 historic period violate than the mean . That is , half of all anthropoid winners were 43 eld or third-year . And the selected mode - the age at which on that point are many more potent winners than others - is distinctly junior , at 32 ageThe disparity is even spectacularer for the ladies . kickoff line of all , the standard error of the mean for them (2 .141 long time ) is wider than it is for the men (1 .62 historic period . This already tells us that we are on shakier demonstrate if we boldly proclaim that , the recipients of the Best Actress Oscars are unremarkably or typically 38 years old . In fact , half of the women winners were 34 years old or younger when they w on .

And the displayed modal value of 26 years would ordinarily have us conclude that more a great deal than non , women winners were in their mid-twenties or six years younger than is suggested by the modal value for the menSimple analysis of the bag , the stripped and maximum ages , already tells us a great have it off . Female winners have historically spanned a wider age range (as young as 21 , as old as 80 . For the men , the range has been substantially narrower . While the oldest male winner approached the upper limit for the women (76 years , no male lead received an Oscar before arrive at 31 years of ageThis wider dispersion is also shown by the fact that the variance is considerably greater for the women (178 .7 ) than it is for the men (102 .5Thirdly , the standard aberrancy values show that if these distributions were truly normal curves (they are not , 68 .26 of the men would fall within a narrower age span (ages 34 .7 to 54 .9 , a years ) than is original for the women (ages 24 .7 to 51 .5 or a span of 26 .7 years . So we discern that the Academy of Motion draw Arts and Sciences are as amenable to honoring performances by middle-aged actresses as they are to awarding those...If you want to fuck off a plenteous essay, order it on our website: OrderEssay.net

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