Instruction 12-3
the Director of Cooperative Education at a University $$\begin{array} { c c c } \text { Student } & \text { CoopJobs } & \text { JobOffer } \\1 & 1 & 4 \\2 & 2 & 6 \\3 & 1 & 3 \\4 & 0 & 1\end{array}$$

question 88

Short Answer

Instruction 12-3
The director of cooperative education at a university wants to examine the effect of cooperative education job experience on marketability in the workplace.She takes a random sample of four students.For these four,she finds out how many times each had a cooperative education job and how many job offers they received upon graduation.These data are presented in the table below.
$$\begin{array} { c c c } \text { Student } & \text { CoopJobs } & \text { JobOffer } \\1 & 1 & 4 \\2 & 2 & 6 \\3 & 1 & 3 \\4 & 0 & 1\end{array}$$
-Referring to Instruction 12-3,the coefficient of correlation is ________.

---

Definitions:

Marginal Costs

The increase or decrease in the total cost of a production run for making one additional unit of an item.

Average Total Cost

The per-unit cost of production, obtained by dividing total costs by the total quantity of goods or services produced.

Marginal Cost

The expenditure for assembling another unit of a product or service.

Short-Run Equilibrium

A state in which market supply and demand balance each other, and as a result, prices become stable for a short period.