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A fitness rating was obtained for 9 randomly selected adult women. Each person was also asked her age, weight, and the number of hours she spent exercising each week. The results are summarized in the table below. Identify the regression equation that expresses fitness in terms of age, weight, and hours of exercise per week.

| **Age** | **Weight** | **Hours/week** | **Fitness Rating** |
|---------|------------|----------------|---------------------|
| 39      | 140        | 2              | 72                  |
| 27      | 129        | 6              | 88                  |
| 41      | 137        | 4              | 63                  |
| 48      | 125        | 9              | 84                  |
| 56      | 162        | 0              | 47                  |
| 59      | 152        | 3              | 52                  |
| 22      | 118        | 11             | 90                  |
| 64      | 142        | 3              | 31                  |
| 35      | 126        | 4              | 64                  |

**Options:**
- **Option 1:**\( ( 36.07 - 1.02(\text{age}) + 0.429(\text{weight}) + 3.30(\text{hours})\)
- **Option 2:** \(( 23.79 - 1.36(\text{age}) + 0.241(\text{weight}) + 1.43(\text{hours})\)
- **Option 3:** \(( 52.46 - 2.14(\text{age}) + 1.39(\text{weight}) + 2.48(\text{hours})\)
- **Option 4:** No answer text provided.

 Dec 3, 2024
 #1
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The answer is option 2.

 Dec 21, 2024

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