1.Describe sampling methods.
2.You have received a business research study done by a consultant for a life insurance company. The study is a survey of customer satisfaction based on a sample of 600. You are asked to comment on its quality. What do you look for?
3. What is the central limit theorem?
4.What is the relationship between confidence intervals and hypothesis testing? How are they the same? How are they different?
5. What is point estimate in statistics?
6.What is the importance of the null hypothesis? Why has it been the backbone of mainstream hypothesis testing for decades? What are its limitations?
Each answer minimum 100 words.
Answer will be sent by email as attachment.
