Intercept form of an equation for the line of fit. 8 x y x y 0 12 000.
A use the line of best fit to find how much a 40 year old person could expect to earn at this company.
Line of best fit worksheet pdf. Need to know you can use a curve of best fit to extrapolate and interpolate values. Draw a scatter plot and determine what relationship if any exists in the data. How many dollars did jim earn for working 5 hours.
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. Show how you got your answer on the graph. Worksheet 6 3 curves of best fit name.
Zoos the table shows the average and maximum longevity of various animals in captivity. 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. A make a scatter plot of the data.
Is the slope of your line of fit positive or negative. B what is the equation for the line of best fit. Line of best fit worksheet.
Draw a line of fit for the scatter plot and write the slope intercept form of an equation for the line of fit. Line of best fit card sort. Line of best fit worksheet 1 the following scatter plot shows data for employees at a small company.
Find the slope intercept form of the equation of the line that best fits the data and its r value. Lesson on plotting the line of best fit. It can be used to estimate data on a graph.
Worksheet by kuta software llc find the slope intercept form of the equation of the line that best fits the data. Complete the following questions on this worksheet and check the answer key on the final page before submitting. 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.
Study hours 2 5 1 0 4 2 3 grade 77 92 70 63 90 75 84. Using your line of fit predict how many dollars jim will earn for working 10 hours. A using graph paper draw a scatterplot of the data.
Extending a curve involves more guesswork than extending a line so you can t be as. Sketch this on your graph. For students who are already comfortable with plotting scatter graphs.
A line of best ﬁ t is a line drawn on a scatter plot that is close to most of the data points. The table below gives the number of hours spent studying for a science exam and the final exam grade. Preview and details files included 5 docx 266 kb.
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. B draw a line of best ﬁ t. B use the line of best fit to predict how old one would need to be to earn 65 000 per year.