Data on the Amount of Time Spent Studying and the Exam

question 67

Multiple Choice

Data on the amount of time spent studying and the exam score of 150 students at a high school were collected.You want to know if a student's exam score is linearly related to the amount of time spent on studying.Which of the following would you compute?

• A)Arithmetic mean.
• B)Median.
• C)Coefficient of variation.
• D)Coefficient of correlation

---

Definitions:

Input

The resources, materials, or data put into a system, process, or machine to obtain a desired output.

Output

The amount of something produced by a person, machine, or industry.

Function

A mathematical relation in which each element of a domain is associated with exactly one element of a range.

Production Function

An equation or graph that represents the maximum output that can be produced with a given set of inputs, showing the relationship between input and output levels in the production process.