Question Completion Status: OH1 : 1 > H2 QUESTION 11 4 points Save Ans Determine whether the samples are dependent or independent. The effectiveness of a new headache medicine is tested by measuring the amount of time before the headache is cured for patients who use the medicine and another group of patients who use a placebo drug. Dependent samples Independent samples QUESTION 12 4 points Save Answ A formal hypothesis test is to be conducted using the claim that the mean body temperature is equal to 98.6 . F. What is the null hypothesis and how is it denoted? O HO : H = 98.6. F O Ho : p = 98.6. F O Ho : H # 98.6. F Ho : p