Find the slope intercept form of the equation of the line that best fits the data and its r value. B draw a line of best fi t.
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Line of best fit worksheet.
Line of best fit worksheet pdf. The table below gives the number of hours spent studying for a science exam and the final exam grade. A use the line of best fit to find how much a 40 year old person could expect to earn at this company. Draw a line of fit for the scatter plot and write the slope intercept form of an equation for the line of fit.
Worksheet by kuta software llc d9 unit 7 algebra 1 notes trend lines and line of best fit name date period v m2z0l1x8z fkwuvtoau esdo fztcw aqrnej zlalgcf u v la lrlv trqirgohnt su zrfevs ekrvvueids 1 state if there appears to be a positive correlation negative correlation or no correlation. Using your line of fit predict how many dollars jim will earn for working 10 hours. Sketch this on your graph.
Extending a curve involves more guesswork than extending a line so you can t be as. Line of best fit card sort. 7 x y x y x y 2 150 41 640 91 800 11 280 50 680 97 770 27 490 63 770 98 790 27 500 construct a scatter plot.
Is the slope of your line of fit positive or negative. 8 x y x y 0 12 000. A using graph paper draw a scatterplot of the data.
A line of best fi t is a line drawn on a scatter plot that is close to most of the data points. Preview and details files included 5 docx 266 kb. It can be used to estimate data on a graph.
Need to know you can use a curve of best fit to extrapolate and interpolate values. Example 3 finding a line of best fit the table shows the weekly sales of a dvd and the number of weeks since its release. B use the line of best fit to predict how old one would need to be to earn 65 000 per year.
How many dollars did jim earn for working 5 hours. Prac tice d y x hours worked dollars earned 80 72 64 56 48 40 32 16 8 0 earnings at work questions about the line of fit 1. A make a scatter plot of the data.
Complete the following questions on this worksheet and check the answer key on the final page before submitting. For students who are already comfortable with plotting scatter graphs. Worksheet 6 3 curves of best fit name.
Show how you got your answer on the graph. Zoos the table shows the average and maximum longevity of various animals in captivity. B what is the equation for the line of best fit.
Draw a scatter plot and determine what relationship if any exists in the data. Line of best fit worksheet 1 the following scatter plot shows data for employees at a small company. Lesson on plotting the line of best fit.
Intercept form of an equation for the line of fit. Study hours 2 5 1 0 4 2 3 grade 77 92 70 63 90 75 84. Worksheet by kuta software llc find the slope intercept form of the equation of the line that best fits the data.
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