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# samplequiz2key - Stat 1i Qaiz 2A \$3.329 Sampie quiz Chapter...

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Unformatted text preview: Stat 1i? Qaiz 2A \$3.329: Sampie quiz, Chapter 6 R66. iCiZ i. (3 point) A Z-scors of 2 23:63.33 The obsewatien is 2 Siméaﬁi deviatims smaiier than ma imam _ The observatieii is 2 stai‘iciard devia‘iions huge: than {he mam ' . Tiie observation is mice iai‘ger than the mean D. The éiffei‘enee between the observaiian wins and the mean is 2; Answer: Use the feiﬁewing infarmaiion E0 aiiswer quesiiimg 2-4 The wsighis of young aduii maias are nemaiiy distribu‘ied, with a mean {if 16% pounds, and a; standarci deviaéion of 25 pounds. 2. (2 pﬁiﬂts} Using the Empirical} Rule, what peiceniage of yeniig malt maies weigh between 135 and 210 pounds? é? 4. {2 points) For the distribution 0? youn them “What amount? 5. (2 points) Suppose Susan scored a ’26!) on the SAT test and that placed her an the 84th percentiie‘ Tiae standard deviation of the SAT iesi was 45. Wha‘i was ﬁne mean scare? i1 565 Answer 6. (2 poims) iii a 2862 study, the Accredi‘iaiion Coumil for Graduate Maéicgi Eciucation foand that medical residents” mean number of hours worked in a weeié. is 81.7. Suppese {he number cf hours worketi per week by meaiicai rssidenis is appmximateiy normal. Find the sianiiard deviaiion of hears worked in a week if 4% afﬁrm meiiical iesicients work mere {ham 90 hOU‘fS par week. X W 3‘3 { ‘3, g 7. {2 pséiﬁs} Féﬁaﬁ ﬁeuw‘heiés Ema a maﬁa sash Emma 9? \$12 peg: wwk 'wi‘ih a siaﬁﬁai’é deviation of \$3 per week. Currency in Vanuatu is not in American doliars and it is calted the vatu (VUV). Househokis in “\$21an have a mean cash inceme of 2009 VUV per was-2%; with a Siaﬂéazé deviaﬁgﬁ 9f E6§ﬁ VEJV pa? weak. if {3133 Fijian geiea‘ieé at rwéam has wsekéy incame 6? \$34 and {me Yaaaa‘maa seﬁes‘ied a: maéam 113.3 3. weekiy inaamg a}? 349i? VUE Wm makas name reiaiive \$9 ﬁagir sﬁgnﬁ‘y’s mean \$3313 wackéy Emma? fkssame weakiy imamss m nﬁrmgééy ﬁésﬁé’huteé amé sﬁew aaieﬁéaﬁsns. 4%; 3: ‘ g ﬁ 3 \$4 \$ % aw yamim ma . . .. gghwaa 333% % Asgnma ﬁle shaisszsmi leveés 9f aéuit Amerisaﬁ womeﬁ can E123 described by a ﬁarmﬂ maﬁa with a mega; 9%“ \$33 mg/éi aﬁé a sﬁaéayé éevéatiea {£22. X M £3 i g a?” E § 3. {2 paints) W3? pawn? 0f adiﬁi women d8 yen expect to male chaiesiereé Eeveig ever 2% mgfﬁm ?{ x § 13\$) : g m g L 9. (2 paints) Caicuiaie Elm ﬁrst quaﬁiés afﬁx chaiegmmé Eeveis- X a w ‘9’ {NM-5 '2: §?§a?;£ Amway: i9. {3 paras} Beiween wi’ga‘a vaiaess are; \$316 cemmi ﬁﬁ‘fré; of the gheﬁeﬁemi 33mg? ' .. .14 "ﬂag num‘ﬁax 0f menses of swig, {iaiﬁrﬁraé by a 39ft dréﬁk éispeﬁgar is; ﬂeﬁnaﬂy ééséiéémigﬁ Wiih a standard deviaiéem {23“ 9.3 aunceae "ﬁg 50% éﬁﬁk éigggeﬁser am he adja; ed :0 daiiwr any magi: mmﬁemfeuacegq x m N i g g g ‘ E i E. {2 minis) Sagpgsa tha m3 {kink {iigpeasgy is adﬁsiaé \$9» 5131‘: \$26 mam aaméaay 9f swims ﬁaiivereé is 36. “\$3.13? \$3 \$313 ‘gggeiﬁabéiﬁy iha’é; a éziﬁéi digpmssé 3:33; this mashéﬂe Wiii cenmiﬂ bamssn 15.5 ané 36.2% Omceg sf maﬁa? ...
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## This note was uploaded on 05/04/2008 for the course STAT 119 taught by Professor Helen during the Spring '07 term at San Diego State.

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samplequiz2key - Stat 1i Qaiz 2A \$3.329 Sampie quiz Chapter...

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