Question
One general belief held by observers of the business world is that taller men earn more money than shorter men. In a study reported in
One general belief held by observers of the business world is that taller men earn more money than shorter men. In a study reported in the Wall Street Journal, 30 MBA graduates, all about 30 years old, were surveyed and asked to report their annual incomes and their heights. These responses are recorded inMBA.xlsx.
- Estimate a linear relationship between heights and annual income of MBA graduates and interpret your results
- Do these data provide sufficient statistical evidence to infer at the 5% significance level that taller men with MBAs earn more money than shorter ones?
| Height | Income ($) |
| 175.0 | 68660 |
| 167.5 | 74820 |
| 172.5 | 69260 |
| 175.0 | 79620 |
| 162.5 | 69180 |
| 182.5 | 66700 |
| 160.0 | 71140 |
| 175.0 | 83680 |
| 172.5 | 70060 |
| 182.5 | 77480 |
| 170.0 | 61340 |
| 165.0 | 61180 |
| 177.5 | 74740 |
| 170.0 | 78940 |
| 182.5 | 80540 |
| 182.5 | 75080 |
| 175.0 | 80980 |
| 177.5 | 75940 |
| 172.5 | 69640 |
| 182.5 | 74640 |
| 187.5 | 68120 |
| 170.0 | 65980 |
| 172.5 | 74060 |
| 190.0 | 72280 |
| 177.5 | 75840 |
| 165.0 | 67020 |
| 172.5 | 73520 |
| 162.5 | 67680 |
| 167.5 | 70720 |
| 175.0 | 80340 |
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Algebra And Trigonometry (Subscription)
Authors: Michael Sullivan, Michael Sullivan III
11th Edition
0135227712, 9780135227718
