can you please help find out the mean and standard deviation please explain in steps.

Listed below are body temperatures from five different subjects measured at 8 AM and again at 12 AM Find the values of d and so. In general, what does u represent? Temperature ( F) at 8 AM 97.6 98.8 97.2 97.6 97.6 Temperature ( F) at 12 AM 98.4 99.1 97.5 97.1 98.1 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 S d = (Type an integer or a decimal. Do not round.)