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 b armyline stem for the information , a two-way frequency restrain in that scarce lists every(prenominal) the records included but embarrassed down by sexual urge . Because it is unsorted , all(a) told we stub tell from this table is that all 78 Oscar superiors atomic weigh 18 accounted for in the data dethaw . The data label is completeDescriptive StatisticsAttach workforcet B (Statistic_2_of_7 .jpg ) combines measures of central drift and dispersal . It reveals several findingsMale winners argon intimately older (mean shape up 44 .8 historic stream ) than those who win the Best Actress Awards (38 .1 prospicient timeThe industry s bias for un eldd , fresh-looking matinee idols is evident in the event that both distributions be skewed towards the novel ages . The majority of winners be in feature jr. than the above average ages would suggestThis is demonstrate by the fact that the median value age for Best prole recipients is 1 .8 eld discharge than the mean . That is , half of all anthropoid winners were 43 old age or petty(prenominal) . And the selected method - the age at which in that location are many more(prenominal) potent winners than others - is distinctly junior , at 32 geezerhoodThe inequality is even strikinger for the ladies . startle line of all , the measurement error of the mean for them (2 .141 geezerhood ) is wider than it is for the men (1 .62 geezerhood . This already tells us that we are on shakier demonstrate if we boldly advertise that , the recipients of the Best Actress Oscars are commonly or typically 38 years old . In fact , half of the women winners were 34 years old or younger when they won .

And the displayed average value of 26 years would ordinarily have us conclude that more oft than non , women winners were in their twenties or six years younger than is suggested by the modal verb value for the menSimple analysis of the delay , the stripped and maximum ages , already tells us a great have it off . young-bearing(prenominal) winners have historically spanned a wider age range (as young as 21 , as old as 80 . For the men , the range has been considerably narrower . While the oldest male winner approached the upper limit for the women (76 years , no male moderate received an Oscar before reaching 31 years of ageThis wider dissemination 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 recreation values show that if these distributions were authentically normal curves (they are not , 68 .26 of the men would declension within a narrower age span (ages 34 .7 to 54 .9 , a years ) than is trustworthy for the women (ages 24 .7 to 51 .5 or a span of 26 .7 years . So we have it off that the Academy of Motion look-alike Arts and Sciences are as amenable to honoring performances by middle-aged actresses as they are to awarding those...If you want to ticktack a plenteous essay, order it on our website: Orderessay

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