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?
• 12 point font
• 1-2 References, APA Style Bibliography, In-Text Citation
• 1-2 paragraphs (4-8 sentences each)
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