Ages
In the space provided, give your best estimation of the age of the person. Do not discuss with your neighbor.
Tom Cruise _____
Anna Kournikova _____
Michael Douglas _____
Annette Funicello _____
Pope Benedict XVI _____
Chelsea Clinton _____
Queen of England _____
George Bush (father) _____
Nicole Kidman _____
Diana Ross _____
Cher _____
Tom Watson _____
Disney World _____
- After you have finished, type your guesses in L1 and the actual ages in L2. Graph these lists (L2, L1) using the Stat Plot.
- What function would best model the data in L2 and L1? Go to Y= and type this function in and graph it along with the data. How were your guesses?
- On the header of L3, take your Guess − Actual Age. On the Home screen, find the sum of L3.
- On the header of L4, take the Absolute Value of the differences between the Guess and Actual Age.
- On the Home screen, find the Sum of L4.
- On the header of L5, square the result of L3.
- On the Home screen, find the sum of L5.
- Discuss what we did in L3, L4, and L5. Interpret the 3 results on the home screen. Which is the best predictor of how good our guesses were?
Dan Hackbarth & Gary Luck – Greendale High School & UWM