The Following Data List Ages of Cars (In Years) and Monthly

question 52

Multiple Choice

The following data list ages of cars (in years) and monthly repair cost in dollars. What is standard error of the estimate?
$\begin{array} { c c } \text { Age } & \text { Cost } \\ 3 & 25 \\ 5 & 35 \\ 7 & 55 \\ 9 & 50 \\ 11 & 75 \\ 14 & 85 \end{array}$

• A) 6.36
• B) 8.75
• C) 7.34
• D) 5.49

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