Line of Best Fit - PC\|MAC

Line of Best Fit - PC\|MAC

Line of Best Fit Speed vs. Fuel Economy Speed (mph) mpg

5 10 10

15 15 23 20

25 25 27

30 28 35 29

40 30 45

31 50 31.5 55

30 60 28.5

65 27 Entering Values Hit STAT, then #1 (EDIT) Enter speed into L1 and mpg into L2

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

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

Select #1 (L2) Hit COMMA Linear Regression Hit VARS button Scroll over to Y-VARS and hit enter for FUNCTION

Hit enter to select Y1 Line of Best Fit Y = .25x + 17.04 Hit GRAPH

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 persons age. If you do not know the person,

take your best guess as to the age from observing the photo. Tweety Bird Actual Age: 65

Orlando Bloom Actual Age: 31 Martha Stewart Actual Age: 66

Macaulay Culkin Actual Age: 27 Andy Taylor

Actual Age: 88 Tyra Banks Actual Age: 34 Miley Cyrus

Actual Age: 15 Hulk Hogan Actual Age: 54

Diane Keaton Actual Age: 62 Popeye Actual Age: 88

Eva Longoria Actual Age: 33 George Clooney

Actual Age: 46 Dakota Fanning Actual Age: 14 Snoop Dogg

Actual Age: 36 Farrah Faucet Actual Age: 61

Larry Bird Actual Age: 51 Jennifer Aniston Actual Age: 39

Donald Trump Actual Age: 61 Barbara Walters

Actual Age: 78 Ashton Kutcher Actual Age: 30

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