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

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Definitions:

Nylon 6

A type of polyamide or nylon made from a single monomer, caprolactam, characterized by its long, repetitive chains, used in textile and plastic industries.

Polymer

Large molecules composed of repeating structural units known as monomers, bonded together via chemical reactions.

Reaction

A process in which substances (reactants) interact to form new substances (products) with different chemical and physical properties.

Cross-Linking

The process of connecting or binding two or more polymer chains together through covalent, ionic, or hydrogen bonds, which affects the physical properties of the material.