DataPalooza 2021

Activity: Are you over-confident or under-confident? (cont.)

INSTRUCTIONS (PART 2) 4. Score each question

• If the true answer is in your range, give yourself 1 point. • If the true answer is NOT in your range, give yourself 0 points. 5. If you get 9 out 10 correct – you correctly made a 90% confidence interval. 6. If you get 10 out 10 – your range was too broad (underconfident in your range). 7. If you get less correct – your ranges were too narrow (overconfident in your range).

De-Brief On Activity

 What were your thoughts doing this activity?

 What did you learn about your ability to answer questions at a 90% CI?  Did you tend to be more over ‐ confident or under ‐ confident?