Week 3 Assignment Regression

Each weekly assignment contains two parts.  Part 1 contains statistics problems and part 2 contains a weekly writing assignment.

Part 1 – Problems:
1. Complete the following problems in a Word document and Submit through this drop box.
Page 148 #6, 8, 10, 14, 16
Page 158# 22, 28, 34
Page 189 #6, 8, 10, 12

2. Also complete the following regression and correlation problems
 a.  Find the linear correlation coefficient r if given the following x and y values:
      x:  10, 8, 11, 4, 7, 3, 9
      y:   7,  5,  8,  3,  5, 2, 7

b.  Find the equation of the regression line from part a.

 Part 2 -Writing Assignment:

Write a brief APA-style paper addressing the following topic:

 In week 3 we are studying linear correlation coefficient, r, and the equation of the regression line.  Please look at your field of study and apply the coefficient or the equation, a few examples are below:

•Business—using the regression line to anticipate the clients demands for the future, you help stock up on inventory

•Health Care-using the regression line to compare cholesterol or blood pressures for a patient over time

•IT—using the r coefficient to analyze traffic flow through the network or employee internet usage

•Programming-using the regression line to analyze scores on a game created, to determine the difficulty level

Are you looking for a coefficient r value close to 0 or 1, or for your analysis, should the value be in the middle?  Do you want your analysis to be scattered, or fit closely to the regression line?

Written Requirements:

•     12 point font

•     1-2 References, APA Style Bibliography, In-Text Citation

•     1-2 paragraphs (4-8 sentences each)

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