Bill and lisa are surveying their classmates about their summer reading. their questions are given below: bill: how many books did you read this summer? lisa: which book was first recommended to be read by the book club during the summer break? who wrote a statistical question and why? bill, because there will be variability in the responses collected lisa, because there can be only one answer to the question bill, because every student will give the same answer lisa, because there can be many answers to the question