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:

Thrombin

An enzyme in blood plasma that causes the clotting of blood by converting fibrinogen to fibrin.

Plasma

The liquid component of blood, in which blood cells are suspended, containing proteins, electrolytes, and nutrients.

Serum

The clear, yellowish fluid that remains from blood plasma after clotting factors have been removed, used in diagnostic tests and treatments.

Lymphedema

Swelling typically in one of the arms or legs due to a blockage in the lymphatic system, preventing lymph fluid from draining well.