lecture 3 examples - 2.25 Color and clarityr of diamonds...

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Unformatted text preview: 2.25 Color and clarityr of diamonds. Refer to the Journal of sf? Statistics Education study of diamonds, Exercise 2.11 (p. 40}. In addition to color and clarity, the independent certification group (om. HRD, or 161) and the number of carats were recorded for each of BUS diamonds for sale on the open market. Recall that the data are saved in the DIAMONDS file. a. Use a graphical method to describe the carat distribu- tion of all 3138 diamonds. b. Use a graphical method to describe the carat distribu~ tion of diamonds certified by the {31111 group. c. Repeat part b for the HRD and PET certification groups. d. Compare the three carat distributions. parts b and c. Is there one particular certification group that appears to be assessing diamonds with higher carats than the others? Tuba-u 2.? IWWW Mnflum'l'hl-Emplflul MI- Thquil-ifllfliju flnrthuml: ltd onIiHI-ndntauls nififithufintfi' dmtlhhliflfllTI-lfl urcnmuM-ilpbd Ind warm-inunhmvu balm-n. g..- E 5 3 T‘apuLIwn mint-triv- i. fiPPI-mimmil] 53%;. {rmemcunrcmnu MI full with 1 :landlrIJd-Bhifliw (Illllt mutan- I|.i"_.flu'l'|h.l11he"ll1.|!l."ull [If — 1.: + a} rumwmm [p- - I-r._|.: -" rjfflpflpdlfiflll. b. Awmlmw “51:5. cilhl: mmmbuflfaflnilhinimndunldhhfiflnlflhbc rrrt-m |i.=.11flfinfirinm3|[i — at? -I- Ls] Macaw-Hamil: - 1-r. u + hiilxpupulminu]. :. Apply-mmWIN.{Emil}-nll]flfl1:mnfiflilflfilwllhfi3mifiim flan-Jib: mu Eunihjnlh-Bi'nflfiflll'i - 3-5. 1 4' 'l-i'Hn-Ilmplmud I'JH- ' Emu-1- Jar hrpupuhfinmi. Flu-Imam - - BIItuTIiIE-Itnyh "-33 IJ-tr I Ln»: "-3-: mmmn: Hanflmum'u ‘41 '43 fl] 1"} 3-D dl'i'rn an:de 'Lil'ulmlhim-rrdrn] lflcflflfl'flfllfl 935T- yi-‘zu 131i: [eC"'-'!.'-I=|'!'.'.'~ -"=-.'Z:|'.--=.'-=|:'.S!.1 m 'nme’n Ilia-um 1:551- LEI tn: mem'qr MW fl {firmsmumumrmmmm-mfi EfllmlmEfl-m-MMIfl-fififlhflhfinfi- WamwmmwmkmammFMmhm Mum-WW irlflfl-IE'FJEIJ'fl'fl-EME'mTfl-thfllln- murmvniflfifirm.mkmmfl unim- Militant-5mm: IE qlnnliauv: Int-luth Hmm' Mamm-xmm}mmdhflarmm H: 1: it I'll-Blfl-I'Lfl'bllii 1:- w; n finfl: I'l-m'h-tl' 1%. m .3 Manimmibammflfl: in.me Witt-'3' 'IIIII flrmld I'I'rfl "mulch" I11: cahun'lud. an: Mimi mmfia'rwfmmmu? [will-in. ...
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