edmentum Guided Notes Name: Date: Normally Distributed Sample Means Objective In this lesson, you will use mean and standard deviation to model sample and population statistics. Sample: a subset Population: the overall Survey: a type of observational Normally Distributed Means How much do people generally tip a grocery bagger for carrying five bags to the car? Suppose you and nine classmates conduct a survey outside local grocery stores. There is only enough time for each person to survey 50 customers. Using this sample data, we can estimate the average amount that all Americans believe is appropriate to tip a grocery bagger. Making about a large from a of that population is called inferential statistics