The H3N2 human influenza virus is type of virus abundant in the seasonal flu. The data used in this question comes from a study performed here at CSU in the Department of Biomedical Sciences. In this study, 16 ferrets were randomly assigned to either receive a vaccine (treatment) or not (control). The weights and temperatures of these ferrets were measured repeatedly for 27 days, and then both groups were exposed to the H3N2 virus, and their temperatures were measured for a further 5 days. These post exposure days are referred to as the challenge phase of the study.
One symptom of H3N2 infection is increased body temperature. An effective vaccine should mitigate this symptom.
a. Using JMP, obtain the mean and standard deviation for Max_Temp_Challenge:
x = 103.6125
s = 1.0289
b. Report the 95% CI for population mean Max_Temp_Challenge that JMP calculated:
Lower 95% CI bound: 103.06427
Upper 95% CI bound: 104.16073
c. Create an "approximate" 95% CI for population mean Max_Temp_Challenge by hand, using the mean and standard deviation you reported in 1a. As a reminder, an approximate 95% CI uses a critical value of 2.
Lower 95% CI bound:
Upper 95% CI bound: