Line of Best Fit. Speed vs. Fuel Economy Speed (mph) mpg 510 15 23 2025 27 3028 3529 4030 4531 5031.5 5530 6028.5 6527.

Presentación del tema: "Line of Best Fit. Speed vs. Fuel Economy Speed (mph) mpg 510 15 23 2025 27 3028 3529 4030 4531 5031.5 5530 6028.5 6527."— Transcripción de la presentación:

1 Line of Best Fit

2 Speed vs. Fuel Economy Speed (mph) mpg 510 15 23 2025 27 3028 3529 4030 4531 5031.5 5530 6028.5 6527

3 Entering Values Hit STAT, then #1 (EDIT) Enter speed into L1 and mpg into L2

4 Scatter Plot Hit GRAPH button Hit ZOOM button Scroll down to #9 (ZOOMSTAT)

5 Linear Regression Hit STAT button Go over to CALC Scroll down to #4 (LinReg(ax+b)) Hit 2 nd STAT (for LIST) Select #1 (L1) Hit COMMA (above the number 7) Hit 2 nd STAT (for LIST) Select #1 (L2) Hit COMMA

6 Linear Regression Hit VARS button Scroll over to Y-VARS and hit enter for FUNCTION Hit enter to select Y1

7 Line of Best Fit Hit GRAPH Y =.25x + 17.04

8 Guess my age You will be seeing a photograph of 20 famous individuals. As you see the photo, record the names of each individual and your best estimate as to the person’s age. If you do not know the person, take your best guess as to the age from observing the photo.

9 Tweety Bird Actual Age: 65

10 Orlando Bloom Actual Age: 31

11 Martha Stewart Actual Age: 66

12 Macaulay Culkin Actual Age: 27

13 Andy Taylor Actual Age: 88

14 Tyra Banks Actual Age: 34

15 Miley Cyrus Actual Age: 15

16 Hulk Hogan Actual Age: 54

17 Diane Keaton Actual Age: 62

18 Popeye Actual Age: 88

19 Eva Longoria Actual Age: 33

20 George Clooney Actual Age: 46

21 Dakota Fanning Actual Age: 14

22 Snoop Dogg Actual Age: 36

23 Farrah Faucet Actual Age: 61

24 Larry Bird Actual Age: 51

25 Jennifer Aniston Actual Age: 39

26 Donald Trump Actual Age: 61

27 Barbara Walters Actual Age: 78

28 Ashton Kutcher Actual Age: 30