Question
You are required to set up a predictive equation involving variable 1 and 2. First, you plot the data to determine if linear regression applies.
You are required to set up a predictive equation involving variable 1 and 2. First, you plot the data to determine if linear regression applies. You decide
Options:
a) You need more information before deciding to use linear regression
b) The linear regression will be very useful because the points have a strong linear pattern
c) Linear regression in not useful because the points have no discernible pattern
d) Linear regression is not applicable because the point pattern is curvilinear ( has a curve)
e) Linear regression is not applicable because it appearsthat there are two linear patterns
indicating that the data come from two populations.
| variable1 | variable2 |
| -0.21582 | 0.89369 |
| 0.56997 | -0.72620 |
| -0.54850 | -0.09185 |
| -0.12385 | 0.50086 |
| 0.06975 | -0.73607 |
| 0.16327 | 0.88498 |
| -0.72595 | -0.27512 |
| 0.22500 | 0.62647 |
| -0.40463 | 0.92432 |
| 0.67652 | 0.56368 |
| -0.82322 | 0.73005 |
| 0.06747 | -0.74824 |
| 0.74055 | 0.79412 |
| -0.71577 | -0.04509 |
| -0.82231 | -0.70951 |
| -0.47603 | 0.01573 |
| 0.58094 | 0.51169 |
| -0.58573 | 0.10376 |
| 0.19003 | -0.90089 |
| -0.49528 | 0.04767 |
| 0.93083 | -0.16886 |
| 0.61389 | -0.65529 |
| -0.91742 | 0.25296 |
| -0.60957 | -0.24747 |
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Understanding Basic Statistics
Authors: Charles Henry Brase, Corrinne Pellillo Brase
6th Edition
9781111827021
