Algebra 7-7 Fitting a line to Data
1. Which of the graphs
below would fitting a line to the data points be appropriate? _________
2. Consider the table below.
|
Hours studied for exam |
1 |
3 |
4 |
6 |
7 |
8 |
8 |
10 |
10 |
|
Grade |
46 |
55 |
61 |
70 |
72 |
80 |
81 |
91 |
92 |
a.) Draw a scatterplot
of the data points above on the graph below.
b.) Fit a line to the data by
eye. Use a ruler to help draw the line.
c.) Pick two points on the
line and find the slope. Slope = ______
d.) Use the points and the slope
to make an equation for the line.
Equation: __________________
e.) Using your equation, approximate what grade
you would make if you
studied for 5
hours. Grade = _________