Question: 6.The table below shows the heights in inches (X) and weights in pounds (Y) of 10 randomly selected female BCC students.

X 60 60 62 63 64 64 64 67 67 69

Y 95 109 100 102 105 124 130 115 138 130

1. Graph the data.
2. Find a least-squares line fitting the data, using height (X) as the independent variable.
3. According to your findings, if a student is 5 feet 5 inches tall, what is her expected weight?
4. Find the coefficient of correlation between the variables X and Y.
   
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