4. Before they collected the data, they asked Dr. Hale how many data points they need. She mentioned that it depends on the "differential." Dan described that as "So, basically what you're saying is that the narrower the difference between male sandwiches and female sandwiches, the more total sandwiches we need to buy in order to prove that there's a meaningful difference." a. What is the jargon term to measure the "differential," i.e., HOW MUCH different the average male sandwiches and average female sandwiches are? Note: the answer to this is NOT "difference score." (2 points) o Please replace this with your answer b. In this quote, Dan is describing a desire to increase which of these (just choose one): Type I error, Type II error, or power? (2 points) o Please replace this with your answer c. Define the term that you picked in 4b (you can use the definition from the notes). (2 points) o Please replace this with your