Question
Does it pay to study for an assignment? The number of hours studied, x, is compared...
Does it pay to study for an assignment?
The number of hours studied, x, is compared to the assignment grade received, y. x 5 4 6 1 7 y 65 75 75 60 85
(a) Find the equation for the line of best fit. (Round your intercept to two decimal places and your slope to three decimal places.) y hat = + x
(b) Draw the line of best fit on the scatter diagram of these data. (Do this on paper. Your instructor may ask you to turn in this work.)
(c) Based on what you see in your answers to parts (a) and (b), does it pay to study for an exam? Yes, there is a strong relationship in the data. No, there is not a strong relationship in the data.
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