The following table shows the approximate number of wireless telephone subscriptions in recent years. 2005 2006 2007 2008 2009 2010 Subscriptions(Millions) 194 220 243 263 277 293 Year 1. Find the linear correlation coefficient of the data. 2. Fit the data into a linear equation and compute for the slope and the simple regression equation.

The following table shows the approximate number of wireless telephone subscriptions in recent years. 2005 2006 2007 2008 2009 2010 Subscriptions(Millions) 194 220 243 263 277 293 Year 1. Find the linear correlation coefficient of the data. 2. Fit the data into a linear equation and compute for the slope and the simple regression equation.

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

Directions: Solve the following problems carefully. After solving for the r-value find also a.) slope of the regression line, b.) the intercept of the regression line, c.) the general equation for simple regression, d.) graph the regression line.

The following table shows the approximate
number of wireless telephone subscriptions in
recent years.
2005 2006 2007 2008 2009 2010
Subscriptions(Millions) 194 220 243 263 277 293
Year
1. Find the linear correlation coefficient of the
data.
2. Fit the data into a linear equation and
compute for the slope and the simple
regression equation.

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