Section 6.6 worksheet

# Section 6.6 worksheet - 58.4 42.4 30.0 12.7 1.0 Car...

This preview shows pages 1–2. Sign up to view the full content.

Section 6.6 – Line of best fit The Line of Best Fit is the trend line that shows the relationship between two sets of data most accurately. Some graphing calculators give us a correlation coefficient , r , that tells us how closely the equation models the data. Average Temperatures in Northern Latitudes 1) Plot the data. 2) Use a graphing calculator to find the line of best fit a. Press STAT b. Select edit and enter data (L1 is x and L2 is y ) c. Press STAT again and arrow over to CALC d. Select LinReg a x + b 3) Write the equation for the line of best fit and graph it. Latitude(ºN) 0 10 20 30 40 50 60 70 80 Temp (F) 79.2 80.1 77.5 68.7

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 58.4 42.4 30.0 12.7 1.0 Car Stopping Distances Speed (mi/hr) 10 15 20 25 30 35 40 45 Stopping distance (ft) 27 44 63 85 109 136 164 196 1) Plot the data. 2) Use a graphing calculator to find the line of best fit 3) Write the equation for the line of best fit and graph it. Equation: _________________________________ 4) Use the equation to estimate the stopping distance for a car going 60 mi/hr. 5) Do you think this equation will work for very high speeds? (Dont just answer yes or no. You must explain. Hint : the actual stopping distance for a car going 90 mi/hr is 584 ft)...
View Full Document

## Section 6.6 worksheet - 58.4 42.4 30.0 12.7 1.0 Car...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online