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