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part_b.docxPART B: Correlation and Regression
These instructions apply to the following problems.
(a) Draw the scatter plot for the variables.
(b) Compute the correlation coefficient. Use three decimal places.
(c) Find the equation of the regression line.
(d) Find the predicted y-value for the specified x-value.
Use technology.
34. Consider the data.
|
X |
160 |
227 |
140 |
144 |
161 |
147 |
141 |
|
|
|
|
Y |
189 |
157 |
140 |
127 |
123 |
106 |
101 |
|
|
|
Find y-predicted when x = 170.
Week 7 Homework Assignments
1. This week we must read
Lane et al. Chapters 14 & 17 Illowsky et al. Chapters 11 & 12
2. Do the four problems listed in the table below.
3. Please submit them in your Assignment Folder for grading.
|
eResources |
Chapter |
Problem |
Page* |
|
|
Lane et al. |
17 |
5 |
613 |
Chi-square Goodness of Fit |
|
|
|
14 |
616 |
Chi-square test of Independence |
|
Illowski et al. |
11 |
102 |
623 |
Chi-square test of Homogeneity |
|
|
12 |
82 |
687 |
Regression |
