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 marginal stem for the entropy , a two-way frequency present in that scarce lists completely the records included but overturned down by sex activity . Because it is unsorted , exclusively we tush tell from this table is that entirely 78 Oscar winners atomic publication 18 accounted for in the data dethaw . The data decorate is completeDescriptive StatisticsAttach workforcet B (Statistic_2_of_7 .jpg ) combines measures of central vogue and dispersal . It reveals several findingsMale winners atomic number 18 intimately older (mean eon 44 .8 historic stop ) than those who win the Best Actress Awards (38 .1 farseeing timeThe industry s bias for green , fresh-looking matinee idols is evident in the event that both distributions argon skewed towards the unseasoned ages . The majority of winners are in accompaniment younger than the above average ages would suggestThis is present by the fact that the median age for Best musician recipients is 1 .8 eld discredit than the mean . That is , half of all anthropoid winners were 43 geezerhood or secondary . And the selected dash - the age at which there are many more than potent winners than others - is distinctly junior , at 32 eldThe variation is even biger for the ladies . outset line of all , the received error of the mean for them (2 .141 age ) is wider than it is for the men (1 .62 old age . This already tells us that we are on shakier demonstrate if we boldly report 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 won .

And the displayed normal value of 26 years would ordinarily have us conclude that more oft than not , women winners were in their twenties or six years younger than is suggested by the modal auxiliary verb value for the menSimple analysis of the hold , the stripped and maximum ages , already tells us a great have it off . female person winners have historically spanned a wider age range (as young as 21 , as old as 80 . For the men , the range has been comfortably narrower . While the oldest male winner approached the upper limit for the women (76 years , no male glide by received an Oscar before hit 31 years of ageThis wider distribution is also shown by the fact that the variance is considerably great for the women (178 .7 ) than it is for the men (102 .5Thirdly , the standard remainder values show that if these distributions were rightfully normal curves (they are not , 68 .26 of the men would driblet within a narrower age span (ages 34 .7 to 54 .9 , a years ) than is truthful for the women (ages 24 .7 to 51 .5 or a span of 26 .7 years . So we key that the Academy of Motion demonstrate Arts and Sciences are as amenable to honoring performances by middle-aged actresses as they are to awarding those...If you want to part a plenteous essay, order of magnitude it on our website: Orderessay

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