08ProbStatHw1

# 08ProbStatHw1 - SIEO 3600 Introduction to Probability and...

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SIEO 3600 Assignment #1 Introduction to Probability and Statistics January 26, 2009 Prof. Mariana Olvera-Cravioto Page 1 of 2 Assignment #1 – due January 30th, 2008 1. The following is a sample of prices, rounded to the nearest cent, charged per gallon of standard unleaded gasoline in the San Francisco Bay area in June 1997. 137 , 139 , 141 , 137 , 144 , 141 , 139 , 137 , 144 , 141 , 143 , 143 , 141 Represent these data in a frequency table. 2. The following are the estimated oil reserves, in billions of barrels, for four regions in the western hemisphere. United States 38.7 South America 22.6 Canada 8.8 Mexico 60.0 Represent these data in a pie chart. 3. Choose a book or article and count the number of words in each of the ﬁrst 100 sentences. Present the data in a stem and leaf plot. Now choose another book or article, by a diﬀerent author, and do the same. Do the two stem and leaf plots look similar? Do you think this could be a viable method for telling whether diﬀerent articles were written by diﬀerent authors?

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## This note was uploaded on 02/10/2010 for the course IEOR 3600 taught by Professor Chudnovsky during the Spring '09 term at Columbia.

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08ProbStatHw1 - SIEO 3600 Introduction to Probability and...

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