Discussion 1
Prior to beginning work on this discussion forum, read Chapter 7 of the Business Analytics: Data Analysis and Decision Making (7th edition) book. Specifically, focus on Sections 7-1, 7-2, 7-3. In Section 7-3, focus on Sections 7-3a, 7-3b, 7-3c, and 7-3d.
For your initial post,
Provide an example of when you might want to take a cluster random sample instead of a simple random sample.
Explain what the advantages of a cluster sample might be.
Explain how you would choose the cluster sample.
Discussion 2
rior to beginning work on this discussion forum, read Section 8-4 of the Business Analytics: Data Analysis and Decision Making (8th edition) textbook. Also, review the Simulation interactive.
Apex Sports is thinking about entering the golf ball market. The company will make a profit if its market share is more than 15%. A market survey indicates that 128 of 758 golf ball purchasers will buy an Apex Sports golf ball.
In your initial post, answer the following questions:
Is the market survey alone enough evidence to persuade Apex Sports to enter the golf ball market?
How would you use hypothesis testing to help you make your decision if you were Apex Sports management and you required 90% confidence in your market research results? Does hypothesis testing support or not support entering the golf ball market? Show all your work.
Besides the market survey results, what other considerations might enter your decision on whether to enter the golf ball market?
If Apex Sports decides to enter the golf ball market, what are their probabilities for success?