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E Quiz: PRACTICE ... Question 21 This Quiz: 100 pts possible Submit Quiz Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM. Find the values of d and sa. In general, what does ud represent? Temperature (OF) at 8 AM 97.6 99.1 97.7 97.2 97.5 Temperature (F) at 12 AM 98.2 99.7 98.1 97.1 97.6 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 = (Type an integer or a decimal. Do not round.) Sa = (Round to two decimal places as needed.) In general, what does ud represent? O A. The difference of the population means of the two populations O B. The mean of the differences from the population of matched data O C. The mean of the means of each matched pair from the population of matched data O D. The mean value of the differences for the paired sample data