represent? Temperature (°F) at 8 AM 98.2 Temperature (°F) at 12 AM 98.7 99.4 97.5 97.1 97.6 100.1 97.8 96.9 97.9 CELE Let the temperature at 8 AM be the first sample, and the temperature at 12 AM be the second sample. Find the values of d and sd d=-0.28 (Type an integer or a decimal. Do not round.)

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**Body Temperature Comparison: 8 AM vs. 12 AM**

Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. 

**Data Table:**
- **Temperature (°F) at 8 AM:** 98.2, 99.4, 97.5, 97.1, 97.6
- **Temperature (°F) at 12 AM:** 98.7, 100.1, 97.8, 96.9, 97.9

**Objective:** Find the values of \( \bar{d} \) (mean difference) and \( s_d \) (standard deviation of differences). In general, what does \( \mu_d \) represent?

**Analysis:**

- Let the temperature at 8 AM be the first sample, and the temperature at 12 AM be the second sample.
- Calculate the mean difference \( \bar{d} = 0.28 \).

\( \mu_d \) generally represents the population mean difference between two related groups. In this context, it indicates the average difference in body temperatures between 8 AM and 12 AM for these subjects.
Transcribed Image Text:**Body Temperature Comparison: 8 AM vs. 12 AM** Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. **Data Table:** - **Temperature (°F) at 8 AM:** 98.2, 99.4, 97.5, 97.1, 97.6 - **Temperature (°F) at 12 AM:** 98.7, 100.1, 97.8, 96.9, 97.9 **Objective:** Find the values of \( \bar{d} \) (mean difference) and \( s_d \) (standard deviation of differences). In general, what does \( \mu_d \) represent? **Analysis:** - Let the temperature at 8 AM be the first sample, and the temperature at 12 AM be the second sample. - Calculate the mean difference \( \bar{d} = 0.28 \). \( \mu_d \) generally represents the population mean difference between two related groups. In this context, it indicates the average difference in body temperatures between 8 AM and 12 AM for these subjects.
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