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

Temperature (°F) at 8 AM: 98.4, 98.7, 97.5, 97.3, 97.1
Temperature (°F) at 12 AM: 99.0, 99.3, 97.9, 96.9, 97.5

Let the temperature at 8 AM be the first sample and the temperature at 12 AM be the second sample.

Find the values of [tex]d[/tex] and [tex]s_d[/tex]. In general, what does [tex]\mu[/tex] represent?

(Type an integer or a decimal. Do not round.)

Question

College

Answer :

topeadeniran2 topeadeniran2 · Answer 1 · 2023-10-02T05:20:08-04:00

It should be noted that the sample mean of the difference in temperature will be -0.34.

From the information given, it should be noted that the difference in the temperatures given are -0.5, -0.6, -0.3, 0.1, -0.4.

It should be noted that d is the sample mean while s is the standard deviation.

Therefore, the sample mean of the difference in temperature will be:

= (-0.5 - 0.6 - 0.3 + 0.1 - 0.4)/5

= -1.7/5

= -0.34

The standard deviation of the difference in temperature will be 0.073.

Lastly, u represents the mean of the difference in body temperature at 8am and 12am of the population of all people.

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