The slope (b) can be calculated using the formula:
\[ b = \frac{n(\sum xy) - (\sum x)(\sum y)}{n(\sum x^2) - (\sum x)^2} \]
where n is the number of data points, \(\sum xy\) is the sum of the product of x and y, \(\sum x\) is the sum of x values, \(\sum y\) is the
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