preguntas esta asig 3

# preguntas esta asig 3 - 2.131 Faculty Salaries Data on the...

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2.131) Faculty Salaries. Data on the salaries of full professors in an engineering department at a large midwestern university are given at right. The salaries are for the academic years 2002-2003 and 2005-2006 a) Construct a scatter plot with the 2005 salaries on the vertical axis and the 2002 salaries on the horizontal axis. b) Comment on the form, direction and the strength of the data. c) Identify the point in the scatter plot corresponding to the ninth row in the data set, and mark it with a different plotting symbol that what you used to mark the point in the part a. Do any other professors in the data set have a 2002 salary like this one? Do any other professors in the data set have a 2005 salary like this one? Does this point follow the same overall pattern as the other points? Describe precisely what is unusual about this point. Is this what we describe as an outlier? d) Repeat part c for the fifteen row of the data set. 2.136. Faculty salaries. Data on the salaries of full professors in an engineering department at a large Midwestern
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## This note was uploaded on 03/20/2011 for the course FINA 4005 taught by Professor Hernandez during the Spring '11 term at Universidad de Puerto Rico.

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