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MATLAB: An Introduction with Applications

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

**Body Temperature Analysis**

Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. Find the values of \(\bar{d}\) and \(s_d\). In general, what does \(\mu_d\) represent?

| Temperature (°F) | at 8 AM | 97.9 | 99.4 | 97.5 | 97.8 | 97.7 |
|------------------|--------|------|------|------|------|------|
| at 12 AM | 98.5 | 99.7 | 97.9 | 97.5 | 98.0 |

---

Let the temperature at 8 AM be the first sample, and the temperature at 12 AM be the second sample. Find the values of \(\bar{d}\) and \(s_d\).

\(\bar{d} = \)
(Type an integer or a decimal. Do not round.)

**Explanation:**

- \(\bar{d}\) is the average difference between the paired temperatures from the two samples.
- \(s_d\) is the standard deviation of these differences.
- \(\mu_d\) generally represents the mean of the differences across the population from which the samples are drawn.

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