1. Intro Stats
Lesson 2.2 D – Day 2
Objective: SSBAT find and write the equation for a line of best fit.
Standards: M11.E.4.2.1

2. Pass out Notesheet 2.2 D – Day 2 from Microsoft Word
Use the calculator to find the line of best fit for the McDonalds data and Heating Bill data from previous lesson.

3. Double Quarter Pounder with Cheese 43 750
McDonald’s Data
Sandwich
Total Fat (grams)
Total Calories
Hamburger 9
250
Cheeseburger 12
300
Double Cheeseburger 23
440
Double Quarter Pounder with Cheese 43
750
Bacon & Cheese Quarter Pounder 29
600
Quarter Pounder 26
520
Big Mac
550
McDouble 19
390
Bacon McDouble 24
460
McChicken 16
360
Crispy Chicken Sandwich 22
510
Grilled Chicken Sandwich
350
McRib
500

4. Use the graphing calculator to find the line of best fit for the McDonald’s data.
 y = 13.83x

5. Heating Bill Data
Avg Temp 58 47 34 28 38 44 30 50
Avg Monthly Heat Bill 51 73 96
145
102 85
120 60
Use the graphing calculator to find the line of best fit for the Heating Bill data above. (Put Temperature in L1 and Heating Bill in L2)
 y = -2.85x

6.  Forest Fire Behavior Activity