Consider the following problem: After your 8 hours a day of sleep, you have 16 hours a day to divide between leisure and study. Let leisure hours be the X variable and study hours be the Y variable. Plot the straight-line relationship between all combinations of X and Y on a blank piece of paper. Be careful to label the axes and mark the origin.
In question 1, what is the slope of the line showing the relationship between study and leisure hours? Is it a straight line?
The graph below shows the relationship between all combinations of X and Y.
KEY
X- represents leisure hours on the x-axis
Y- represents study hours on the y-axis
1).
YES, the relationship is a straight line.
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