Line of Best Fit = -0 A) $10.3$ B) $9.7$ C) $15.7$ D) $10.5$

question 185

Multiple Choice

Line of best fit = -0.68x + 82.91
Choose the one alternative that best completes the statement or answers the question.
-A marina owner wishes to estimate a linear function that relates boat length in feet and its draft (depth of boat below water line) in feet. He collects the following data. Let boat length represent the independent variable and
Draft represent the dependent variable. Use a graphing utility to draw a scatter diagram and to find the line of
Best fit. What is the draft for a boat 60 ft in length (to the nearest tenth) ? $\begin{array}{l|l}\text { Boat Length (ft) } & \text { Draft (ft) } \\\hline 25 & 2.5 \\25 & 2 \\30 & 3 \\30 & 3.5 \\45 & 6 \\45 & 7 \\50 & 7 \\50 & 8\end{array}$

• A) \(10.3\)
• B) \(9.7\)
• C) \(15.7\)
• D) \(10.5\)

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