Curve of Best Fit Worksheet
Grade 9 Math worksheet on understanding and drawing curves of best fit for scatter plots.
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Curve of Best Fit
Name:
Date:
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Read each question carefully and follow the instructions to determine the curve of best fit or analyze given data.
1. Which type of correlation suggests that as one variable increases, the other variable also tends to increase?
Negative correlation
Positive correlation
No correlation
Zero correlation
2. A scatter plot shows data points that generally follow a curved path. What kind of curve of best fit would be most appropriate?
Linear
Quadratic
Exponential
Both b and c
3. The curve of best fit is also known as the .
4. When creating a curve of best fit, you are trying to minimize the between the data points and the curve.
5. Describe the purpose of drawing a curve of best fit on a scatter plot.
6. Plot the following data points on the graph below. Then, draw a curve of best fit.
Data: (1, 2), (2, 4), (3, 7), (4, 11), (5, 16)
7. A curve of best fit must always pass through at least one data point.
True
False