Question: Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. Find the values of d and sd.

Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. Find the values of d and sd. Ingeneral, what does d represent?

Temperature(F)at8AM

97.7

98.8

97.7

97.5

97.9

Temperature(F)at12AM

98.3

99.1

97.9

97.4

98.3

Let the temperature at 8 AM be the firstsample, and the temperature at 12 AM be the second sample. Find the values of d and sd.

d=

sd=

Ingeneral, what does d represent?

A.

The mean of the differences from the population of matched data

B.

The mean value of the differences for the paired sample data

C.

The mean of the means of each matched pair from the population of matched data

D.

The difference of the population means of the two populations

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