Please answer the following questions. No Plagiarism. Thank you!
- If you wanted information about a certain topic, what would you do, an experiment or a survey? why?
- Which is the most useful representation of data to you? why?
- What is a situation from your own life where you could use the z-score? explain how you would use it and what it could help you understand.
- What is surprising to you about the normal distribution?
- Pick a topic you would like to investigate. (A) What question would you ask (or what data would you collect) so that from your data you would calculate a mean? (B) What question would you ask (or what data would you collect) so that from your data you would calculate a proportion?
- What is a situation from your own life where you could use a confidence interval? how would you do it?
- What is a situation from your own life where you could use a hypothesis test? how would you do it?
- What is a situation from your own life where you could use statistical inference (confidence interval or hypothesis test) on two samples? how would you do it?
- What is a situation from your own life where you could use correlation and regression? how would you do it?
- What is a situation from your own life where you could use probability to help make a decision? how would you do it?