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This 1 page Class Notes was uploaded by Lyda Ryan I on Wednesday September 23, 2015. The Class Notes belongs to ENGR201 at Drexel University taught by ThomasChmielewski in Fall. Since its upload, it has received 8 views. For similar materials see /class/212339/engr201-drexel-university in Engineering and Tech at Drexel University.
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Date Created: 09/23/15
SECUCLQN 8 Problem 2 each part is worth 10 points In a gas mileage test of 18 identically equipped vehicles from a noted manufacturer the following data were measured Mean Mile per gallon of the sample 243 mpg Sample standard deviation 231 mpg a Compute the maximum miles per gallon you would expect from the next identical vehicle tested at the 95 level b Determine the uncertainty in the expected aVerage mileage for the entire manufacturing run of identical vehicles at the 95 level c c Using the approximation shown in lecture determine how many more cars need to be tested to reduce the 95 con dence interval to 05 mpg Work each part in the space provided and place yomfmal answers in the table at the bottom of the page Part A Answer Work Area ML E i V8quotZ 151195 1 2110 Saw TAM ML 2 23 224m 23 ML f MD 2 k s x mama 2 3 492 2 qu 731 ME 3 519 235 Part B Answer Work Area 39 Sx t x 5 Jew rm 44 1 63 2 2ch 3 7 quot39 1 a 15 as Zoo 2M 4 Ziuos39wza 1V It 15 K N 74 Ztns UNCGCUMWT f 15 my N K 5075 5x Z dol5 N C2tto2 3 2 Q 5 L l a r 7 z a NFC L maz 7mm 1950 Adiqwmii 73g 75 8 31 39 fwd iL ST You we N P JMI L i 649 ABOUT g QM Smashes menu1L I Answer Part a Answer Part b I Answer Part c 39 IQNO A i 2me6 quotXe Ills Mpox l 7 mmcms V To 3 T s39rcg 4Page
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