STAT359-A01- Oct-06 - STAT 359 Zak\/0\u201906 S Kewmcs s Cm0 kur'tpg 72 7V6 Mean and Variance are weqccwes 0 location and Ffec{s7on fesrcctfvdw The Skewmtss

STAT359-A01- Oct-06 - STAT 359 Zak/0’06 S Kewmcs s Cm0...

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Unformatted text preview: STAT 359 Zak/0’06 @ S Kewmcs s Cm0( kur'tpg 72 7V6 Mean and Variance are, weqccwes 0-? location and Ffec{s7on, fesrcctfvdw The Skewmtss and Karim/"s 9aan’t/7’? ada’ffima/ features. The skewness measues 'bfie asymmfery, 0/1 a o/x’S'm‘éu‘t/Bn 9/7617 CL Sampm Y‘,.--, Y“ 171% Sam IL Skewness 05 gamma 1 A Sample -Fvom a symmetric o’fs‘t’n‘éu'fflw wfl/ AW! Skew to. 61mm <o carve/ands to a nejafivel? Ska/Jed a/I‘stnléaf/‘on. Cleft tar! larger flan right tail) ~§kew ,r-\ §ktw7o dorms/Mpg “to a [wiry-rel? gkfwej drs'cn'éujfi,” A NO‘IMQ( DET‘n‘bu'tImQ 0° ¢c><3=fiwfiéfi Em = Lo rim/Mu W1“ emf gay. ., M , PM > 2- 8.6-7, : 2 ‘7» "7 skewness Tn W . @oputafim Distribm‘m STAT 35‘! 201,9/0’06 @ 7M lambs/“S meaSwres Jabs feakeaézfss of a a/Em'éatfm as Wm 05 who kainfSS A3 mum. A normal defribu‘t/Im has kur'toSTS = O ‘ 1%} A olfstribufion MS heavier mm mammal taxis ( /ike a zL—c/fsz‘) men 7/: 7o and 75 Called, {eptokurz‘m ’7’; < O (/orl’eéfond’s -bo 9 10/41: ~ forked” 6/7517”;be 5n Ami—y “Min/36f 47m mama mus (like a can/79m drst). Rule: Sea/z : V7217 2-5417: : 2J24/A/ The Sme/est (~05 'to Check tha‘C X,---, Yn are draan 'PVDIM a anm/ dTS’Crfbu‘fion TS ’téwbugh a CZCLan’LT/er9aan‘l’7/e p/oz. We Fo/ea I'S to ’A rank Wdatq. ...
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