1. What is a line of best fit? How do you find it?
2. How do you measure the strength of a linear trend?
3. What is a positive linear relation? Give an example.
4. What is a negative linear relation? Give an example.
5. Measure the heights and weights of ten people. Let x = height and y = weight.
a. Plot the ordered pairs. Do the ordered pairs exhibit a linear trend?
b. Use the data to find the line of best fit.
c. Find the coefficient of linear correlation.
d. Will your line of best fit produce reliable predictions? Why or why not?
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