State whether the data are best described as a population or a sample. a. The makers of M&M's state that when they package their candies, they thoroughly mix the colored candies together and randomly put them into packages. A student purchases a bag of Milk Chocolate M&M's from the vending machine. (1 pt) b. A professor wants to schedule a review session for an exam. He asks all students enrolled in the course their preferred time, and they all respond. (1 pt) c. A researcher has identified a beach with a substantial number of driftwood logs. She randomly chooses 30 logs and takes core samples from those logs.(1 pt) d. A football fan recorded the number of rushing yards for all NFL running backs who played last season. (1 pt)