In: Math
| 2. | Large Sample of Student Heights | ||||
| Height | Weight | ||||
| 150 | 44 | 166 | 53 | 175 | 60 |
| 155 | 44 | 168 | 60 | 175 | 81 |
| 155 | 59 | 168 | 66 | 175 | 65 |
| 160 | 64 | 169 | 51 | 175 | 61 |
| 163 | 57 | 170 | 54 | 176 | 66 |
| 163 | 57 | 170 | 75 | 178 | 68 |
| 163 | 51 | 170 | 59 | 178 | 64 |
| 164 | 65 | 173 | 55 | 183 | 73 |
| 173 | 58 | 183 | 86 | ||
| 173 | 66 | 184 | 71 | ||
| 173 | 66 | 188 | 87 | ||
| 173 | 62 | 201 | 114 | ||
| 140 | 50 | ||||
| Using Excel or another tool | |||||
| a) | Graph a scatterplot | ||||
| b) | Run the regression | ||||
| c) | What is the regression equation? | ||||
| d) | Determine r. What does it mean? | ||||
| e) | Determine r^2. What does it mean? | ||||
| f) | Test the significance of r. | ||||