Conclusions and Extensions
(m) Write a paragraph for the 538 folks summarizing what you have learned:
- Describe the sample: Who was in the study and what did you learn from the data exploration?
- Estimation (confidence interval): What does the confidence interval tell you?
- Generalizability: Describe the population you are willing to generalize these results to
- Looking forward and back: What would you do differently in the next study and/or what additional research questions would you follow up with? Briefly summarize why you would consider these improvements.
(n) Do you feel this confidence interval gives you an accurate impression of a typical arrival time (minutes after the start of the party)? What population parameter could you choose to estimate instead and why might that be a better choice?
(o) Suppose we removed the early arrivers (before 9:30pm) from the data set. Predict how this will change the midpoint and the width of the confidence interval.