Question: Solve an example of a linear regressionwhere you need to make a prediction ( Please show step-by step the solution) f1. Using ads cost as

Solve an example of a linear regressionwhere you need tomake a $prediction ( Please show step-by step the solution) \f1. Using "ads cost"$

Solve an example of a linear regressionwhere you need to

make a prediction ( Please show step-by step the solution)

scatter plot of the data. 2. Calculate the least squares (best-fit) line.

\f1. Using "ads cost" as the independent variable and "Sales" as the dependent variable, make a scatter plot of the data. 2. Calculate the least squares (best-fit) line. Put the equation in the form of: y = a + bx 3. Find the correlation coefficient. Is it significant? 4. Predict the number of sales for ad cost between 60 to 90. 5. Based on the given data, is there a linear relationship between the Ads cost and the sales? 6. What is the slope of the least squares (best-fit) line? Interpret the slope

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