Does it pay to study for an exam? The number of hours studied, x, is compared to

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Does it pay to study for an exam? The number of hours studied, x, is compared to the exam grade received, y:

a. Find the equation for the line of best fit.
b. Draw the line of best fit on the scatter diagram of the data drawn in Exercise
3.15 (p. 133).
c. Based on what you see in your answers to parts a and b, does it pay to study for an exam? Explain.

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Elementary Statistics

ISBN: 9780538733502

11th Edition

Authors: Robert R. Johnson, Patricia J. Kuby

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Question Posted: Aug 27, 2015 07:10 AM

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Does it pay to study for an exam? The number of hours studied, x, is compared to

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2 4 17 2

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a Summations from extensions table n 5 x 14 y 380 x 50 xy 1110 y 29400 SSx x xn 50 14...View the full answer

Elementary Statistics

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