Use the Following Information for Questions -What Is the Slope of This Data, Using the High-Low

question 85

Multiple Choice

Use the following information for questions
$\begin{array}{c}\begin{array}{l}\\\text { Month } \\\text { Jan } \\\text { Feb } \\\text { Mar } \\\text { Apr } \\\text { May } \\\text { Jun } \\\text { Jul } \\\text { Aug }\end{array}\begin{array}{l}\text { Labour }&\text { Overhead } \\ \underline{\text { Hours (X) }}& \underline{\text { Costs (Y) }}\\200 & \$ 415 \\175 & \$ 385 \\290 & \$ 520 \\300 & \$ 534 \\185 & \$ 403 \\265 & \$ 490 \\160 & \$ 372 \\320 & \$ 564\end{array}\end{array}$

-What is the slope of this data, using the high-low method?