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08ProbStatHw2

# 08ProbStatHw2 - SIEO 3600 Introduction to Probability and...

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SIEO 3600 Assignment #2 Introduction to Probability and Statistics January 31, 2009 Prof. Mariana Olvera-Cravioto Page 1 of 2 Assignment #2 – due February 6th, 2009 1. Use the following table to ﬁnd the quartiles of the average annual pay in the speciﬁed areas. Average Annual Pay by New York State Metropolitan Areas, 1999 Rank Amt. Rank Amt. Albany-Sch’dy-Troy \$31,901 Nassau-Suﬀolk \$36,944 Binghampton 29,167 New York City 52,351 Buﬀalo-Niagara Falls 30,487 Newburgh, NY-PA 27,671 Dutchess County 35,256 Rochester 32,588 Elmira 26,603 Syracuse 30,423 Glens Falls 26,140 Utica-Rome 25,881 Jamestown 24,813 US metro area avg. \$34,868 Source: U.S. Bureau of Labor Statistics data. 2. The average particulate concentration, in micrograms per cubic meter, was measured in a petrochemical complex at 36 randomly chosen times, with the following concentration result- ing: 5 , 18 , 15 , 7 , 23 , 220 , 130 , 85 , 103 , 25 , 80 , 7 , 24 , 6 , 13 , 65 , 37 , 25 , 24 , 65 , 82 , 95 , 77 , 15 , 70 , 110

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08ProbStatHw2 - SIEO 3600 Introduction to Probability and...

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