Question: For the data below, the formula for the best-fit line is y' = a + bx where a is the y-intercept and b is the

For the data below, the formula for the best-fit line is y' = a + bx where a is the y-intercept and b is the slope. Find the value of the slope of the line that best fits the data. Round your answer to one decimal place (tenths place).

Hours Test Grade

0 24

1 41

2 52

2 50

3 70

4 86

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