Question 2 6 pts A physician is interested in the effectiveness of a new migraine medication. He decides to randomly sample 30 of his migraine patients and prescribe them this new medication. He then has them record the frequency of their migraines over a 30 day period. For this study, identify the observational unit, the variable, the population, the parameter, the sample, and the statistic. Observational Unit 30 sampled patients C Variable [ Choose ] Population All migraine patients on this me Parameter Average number of migraines ir Sample Average number of migraines fc Statistic Average number of migraines fc D Question 3