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# Test1Solutions - j Math 300 Test 1 Printed Name \$i...

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Unformatted text preview: j Math 300 - Test 1 Printed Name: \$i Calculators are allowed on this test...neighbors are not! State Gasoline Tax The state gas tax in cents per gallon for 25 states is given below. 7.5 16 23.5 17 22 21.5 19 20 27.1 20 22 20.7 17 28 20 23 18.5 25.3 24 31 14.5 25.9 18 30 31.5 A 10 "‘5 Construct a non md 1113!: uenc distribution with 5 classes. {a y »: “3.5 Frequency . '3’”? " §_ ‘2 MK 2 3H» “3.3 «a mi; wgg 42.15: I ‘5 “UV-LS L if“ W L “ if g; xvii“: E fillllﬁ 5 ' {3.1.1 Ll .1443»? ‘ 3 2.25 W 2.3%.? 37125 M 323?: 32.5 L [we number summary, the mean, standard deviation, and the mode. 'he | m CIDNS’I‘HUC'I‘ A MODIFIED Box PLOT. Create a modified box plot. €1ng {.Sf‘w‘s‘): “\$2.3 «Si—cg» ': {aﬁgwtmﬁﬁsw‘ E7". =" Luwﬁfgﬁniﬁ " {0‘2 i Kiliﬂga..fw‘g;’ﬂf : gig: t 3%.. .Dr. Emmert Summer 2010 I of IV Points Earned I: of 30 Math 300 — Test 1 Earning of Nonliving Celebrities Forbes magazine prints an annual top—Earning Nonliving Celebrities list (based on royalties and estate earnings}. Figures represent millions of dollars. Compiete the table. Based upon the recently completed table1 comment on the skewness {if any) of the distribution. Explain your reasoning. Kurt Cobain 50 Ray Charles 10 Elvis Presley 42 Marilyn Monroe 8 Charles M. Schulz 35 Johnny Cash 8 John Lennon 24 J. R. R. Tolkien 7 Albert Einstein 20 George Harrison 7 Andy Warhol 19 Bob Marley 7 Theodore Geisel 10 CDMMENTS/REASHNING 0N SHEVVNESS flaw-Lle g if) fi=ireiiziv”\.. Exam Scores For 108 randomly selected college students, this exam score frequency distribution was obtained. Frequency 90 - 98 6 W tea“i 99—107 22 ieﬁ "2’26; 108-116 43 it? Lgdmé 117—125 28 ‘3' "333 “a? 125- 134 9 l3 3 M 3:}: log” Shellie: lljzéﬂk’i W W “:2 I :3 is: 5:3 Points Earned i: of 20 II of IV Dr. Ennnerl. Summer 2010 Math 300 w Test 1 Consider the following set of data. Determine if there are any outliers. N‘an 5 g 5 20 40 47 49 50 52 60 70 80 : LGNMW £1!“ 5 {@le£.{ {3 Lis’r ANY OUTLIETLS. EXPLAIN Youn REAsoNINo. ‘ 1" v: “39‘: ’0 g ﬁr. Whi'é’gﬂfu “ilhi‘E” if}; fume : g (Hui {4 “LL EMU” {5n x High Temperatures The reported high temperatures (in degrees Fahrenheit} for selected worid cities on an October day are shown below. Fill in the table based upon the box plot. Comment on the skewness (if any). Explain. CGMMEN'I‘ ON THE snewwess (IF ANY}. EXPLAIN. [.42] i? fi-JEUJ‘ﬂ'é. W ﬂied; CJQLE‘ 'iﬂ . l l E i l 20 30 40 50 60 70 so ‘ 90 " it"! Lﬁwe.,-€mte. 5 {21133:pr 3 2:15 1 “- ~’ ‘2“ . u MM -. 23 H tr . ” 1G :3 we a w [Er-ks: e wf’m “5'19 "létw ' jg)“ mm (guns-E lrl’vﬁ- tie. Dr. Emmert Summer 2010 III of IV Points Earned I: of 20 Math 300 — Test 1 Number of Credit Cards A bank vice president feels that each savings account customer has, on average, three credit cards. The following distribution represents the number of credit cards people own. Find the mean and standard deviation. Is the vice president correct? 0 1 2 3 4 0.18 0.44 0.27 0.08 0.03 jut 2 1: “rapt; I x (3: (01k?) 4 3! (mm) .t 2,( e.l71 i‘ 3(0.08l 01(3‘33) .5 L 3L1 +‘1ECC‘JﬂEJ j: xi 2 a " l 3 {Jamie} Mammy Harem) +3 (51.03) M . 1.; n 7..“ , C43 L 5“"1: leafy/J; P/M ‘ Z-J’llvfiaii‘i) ~ UM ‘il a Driving to Work Alone It is reported that 77% of workers a.ng 16 and over drive to work alone. Choose 8 \VDI‘kEI‘S at l'ElJ'lClOHI. Find the probability that exactly 3 drive to work alone. I}: J i". :1"? ﬂags) ': lomempEFC 5’; {3717,} 3i :7 moles; Find the probability that more than one-half drive to work aione. ... 1} 4’ P(E > an .n l— I (X Al : l“ l’J-hov" Cl) Ft?) (9‘qu L6) 31,. gﬂeéﬂii :: (little 6 g 9 r2 0 Points Earned [:1 of 30 IV of IV Dr. Ernnlert Summer 2010 ...
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Test1Solutions - j Math 300 Test 1 Printed Name \$i...

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