Homework_12_Answer_Key

Homework_12_Answer_Key - I ~ o r n e w o r kI Answer 2 k ey...

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I ~ornework I2 Answer key 8 T.S. t.,\, = 2-A,+ , = n-\ sd iGi @ d5= n-I= I+ t,= = 1.761 Reject H, is +,I, L -1.761 Ho at 6 = 0.05. - - - - - - - - . - - Q There suS5icien-t evidence to conclude +hat besS - actresses are younger +ban best acfocs. . . . / b) A~sum~tions needed: ................ ..... . -- - -. . .- ~0.51: I\ The years sampled were randomly selected. - -. ~0.5I! 4) The popuIa4ion oS disserences normally disf ri buted. - -Y.71 i look up t= L1.71 1'4 d5
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[ll' I llc) I*+eerpreSa.tion: IS -the nu\\ is +rue, She probobilihj 04 Q / ykting da+a +ha+ more contradictory Shan ours I i less than 0.0005 I [a7 i Regression Line a the better fit So +he data because if has i a srnaUer Error Sum 0% Sguares 4 56). . - - - --- - -- - .31$ Scatterplot of Reasonable Deduction Amount vs. Ajusted Gross Income - L : V) I ~rn Adjusted Gross Income ($1000~) I .al : & \ - - -_ - - - - - , ...... 3 _ ~ ... 1 .. _ ^ - .- . .
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I CAI : Yes, in this cme, the ZRS ogentk reguest for on audiS would appear j~+i&ied. The taxpayer would be claiming an itemized deduction +ha+ is approximate\y 8 7, a50 greafer than +he ; reasonabk amount br his pa~ticulac. adjusted gross income.
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a CJJ I4M They are dependent samples because they are the prices 05 l same 10 books. The experiment was
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This note was uploaded on 08/25/2010 for the course AEM 2100 taught by Professor Vanes,c. during the Spring '08 term at Cornell.

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Homework_12_Answer_Key - I ~ o r n e w o r kI Answer 2 k ey...

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