MATH 1342 Lab 10 F11

MATH 1342 Lab 10 F11 - MATH1342 Collin County College LAB...

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MATH1342 LAB 10 NAME: ________________ Collin County College Fall 2011 Instructor: Daryl Rupp DUE DATE: 11/22/2011 PART I. In the following table are the average miles per hour (speed) for 7 tanks of gas (x) and the associated average miles per gallon (y) for each tank. The question: Is there a relationship between the average miles per hour and the average miles per gallon? Tank: 1 2 3 4 5 6 7 x: 32 36 42 48 50 54 60 y: 15 16 16 17 18 19 15 a. On the graph, plot the pairs of data points: b. Is there an outlier? If you were told the outlier was from a tank of gas when the car was fully loaded and traveling into a 30 mile per hour head wind, would you throw out the data point?
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c. If there was an outlier, remove that pair of data from the list. Then the find correlation coefficient, r, for the 6 remaining pairs of points, using the calculator (to 3 places): d. Find the critical value using Table II on page A-2 of the text and decide if there is a linear correlation? If so, is the correlation positive or negative?
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This note was uploaded on 01/07/2012 for the course MATH 1342 taught by Professor Lisajuliano during the Fall '12 term at Collins.

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MATH 1342 Lab 10 F11 - MATH1342 Collin County College LAB...

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