Lesson 2 Homework Practice Lines Of Best Fit Apr 2026

c) If x = 8, what is the predicted y-value? ___________________ Find a set of real-world bivariate data online or in another class (e.g., height vs. shoe size, years of education vs. salary). Create a small scatter plot and draw a line of best fit. Write the equation and one prediction. Teacher’s Tip: For questions involving drawing, encourage students to use a ruler and aim for a line that has roughly the same number of points above and below it.

c) Predict the value of a car: $_______________ 3. Draw Your Own Line of Best Fit Plot the following points on the grid below (or sketch on your own paper):

| Hours Studied (x) | 0.5 | 1 | 1.5 | 2 | 2.5 | 3 | 4 | |------------------|----|----|----|----|----|----|----| | Test Score (y) | 55 | 65 | 70 | 75 | 80 | 85 | 95 | lesson 2 homework practice lines of best fit

e) Is it reasonable to use this line to predict sales at ? Why or why not? 5. Challenge – Interpret the Line A student drew a line of best fit for a scatter plot with the equation: [ y = -2.5x + 45 ]

c) Write the equation: ___________________ c) If x = 8, what is the predicted y-value

d) Predict sales if the temperature is : $_______________

b) Equation of line of best fit: ___________________ salary)

(2, 4), (3, 5), (4, 7), (5, 8), (6, 9), (7, 12), (8, 14)