Riverland Community College

Hypothesis Testing MATH 533 Course Project Part B Manasés Rivera 6/12/2020 In this hypothesis testing, there are two type hypotheses made, one is called Alternate hypothesis and second is Null Hypothesis. What would be researched, it is called Alter hypothesis and in against of alternate hypothesis called Null hypothesis. 1. Mean sales per week exceed 45 per salesperson In the prearranged problem, it will test that the sales per week is more than 45 per sales person. It is important q...

Sophia Unit 1 Challenge 3 Which of the following is an advantage that is unique only to experiments? • a.) Experimenters can observe and record information of interest. • b.) Experimenters can work with a sample that represents the population as a whole. • c.) Experimenters can use the data to draw cause and effect relationships. • d.) Experimenters can reference sample data to draw inferences about the population. If you were to track coffee preferences among your co-workers for the nex...

Sophia Unit one challenge 2. Which of these is an example of multi-stage sampling? • a.) Dividing the total population of New York into groups and then selecting people in proportion from these groups. • b.) Choosing New York as a sample, then selecting a sample of zip codes within New York, then sampling the names of people living in those zip codes. • c.) Randomly selecting elements from the entire population of New York • d.) Dividing the population of New York into groups and then ma...