Test1Solutions1Spring

# Test1Solutions1Spring - s t i s t i c s Probability.ray...

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1 .ray L - JC += ,-2% ,- D stistics & Probability , . Exam #1 (Chapters 1 - 6) 3 Please Show Work, when possible! (If you don't, I can't give you partial'credit!) 1. In June 2003 Consumer Reports published an article on some sport-utility vehicles they had tested recently. They reported some basic information about each of the vehicles and the results of some tests , e.. -1- co9ted by their staff. told the b&d - and nage of each vehicle, its price and whe er it had transmission. They reported the vehicle's fuel 2 economy (in m~les per of seconds to go from zero to 60 mph), and its braking distance (in feet) to stop from 60 mph. a) List the yar.iables and indicate whether each variable is categorical or quantitative. If the variable .-- is quantitative, state the units. # b) Are any of the variables identifiers? If so, which one(s)? Na- -5 - w* i&h% ~niq*~~ w &- -4-i- &I& W3-b,*a-me w. . . - took a big test, and the highest score was 92. When the tests were discovered a grading error. After correcting the error, score that student's score made each of these summary statistics fran 4a * 95 a) Mean INC~QCQS~V b) Median !h& + 6..

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## This note was uploaded on 04/12/2011 for the course STA 215 taught by Professor Tba during the Spring '08 term at Grand Valley State.

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Test1Solutions1Spring - s t i s t i c s Probability.ray...

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