Guess their age To Do Guess the ages
- Slides: 8
Guess their age
To Do: �Guess the ages of the given celebrities and write this in the 2 nd column. �When you are completed write a sentence about what influenced your guess.
Actual Ages
�Tiger Wood-37 �Britney Spears-31 �Raven Symone-27 �Betty White-91 �Eddie Murphy-52 �Tom Hanks-57 �Daniel Radcliffe-24 �Mike Krzyzewski- �Tobey Maguire-38 �Barak Obama-52 �Oprah Winfrey-59 �Beyonce Knowles- 32 �Johnny Depp-50 66
Scatter Plots
Scatter plots �Used to show a relationship between data �We always have 2 sets of data �The independent set of data is graphed on the x- axis �The dependent set of data is graphed on the y-axis Dependent data Independent data
Line of best fit �This line should be close to as many points as possible �Best fit lines can be estimated by choosing two points to create your line �OR they can be found exactly with your calculator…. �Put your data into the lists using STAT and EDIT �Find the line of best fit using STAT , CALC, #4 ax+b
What you need to know for your test! �How to draw a scatter plot �Label BOTH axis with numbers and units �Determine the line of best fit with your calculator �Create a word problem/story that is realistic and matches your equations �Use units for the x and y �Interpret slope and the y-intercept in the context of your story
