10 pts. A medical researcher investigates whether there is a relationship between resting heart rate (HR) and...
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10 pts.A medical researcher investigates whether there is a relationship between resting heart rate (HR) and blood oxygenation (OXY) for 12 randomly selected patients.
MHR = 76.5 SDHR = 6.09 MOXY = 95.9 SDOXY = 2.22
HR ZHR OXY ZOXY
| 85 | 1.40 | 92 | -1.77 |
| 72 | -0.74 | 97 | 0.49 |
| 68 | -1.40 | 98 | 0.94 |
| 75 | -0.25 | 96 | 0.04 |
| 82 | 0.90 | 93 | -1.32 |
| 77 | 0.08 | 97 | 0.49 |
| 69 | -1.23 | 99 | 1.39 |
| 87 | 1.72 | 92 | -1.77 |
| 73 | -0.57 | 97 | 0.49 |
| 79 | 0.41 | 96 | 0.04 |
| 70 | -1.07 | 97 | 0.49 |
| 81 | 0.74 | 97 | 0.49 |
Use = .01. Is there is a relationship between HR and OXY, and, if so, describe it? What would the value of OXY be if HR were 90?
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