The Head of the English Department Wants to Determine If

question 67

Multiple Choice

The head of the English department wants to determine if the average number of students taking
an English course differs depending upon the time of day that the course is being offered.
$$\begin{array} { c c c } \hline \text { Moming } & \text { Aftermoon } & \text { Evening } \\\hline 25 & 25 & 27 \\26 & 24 & 26 \\27 & 18 & 24 \\26 & 20 & 23 \\27 & 23 & 25 \\\hline\end{array}$$
-Given the between-group variance (determined in the previous question) and the fact that the F-test value is 6.00, what is the within-group variance for the three class times?

• A) 23.40
• B) 46.80
• C) 3.90
• D) 7.18

---

Definitions:

Palpable

Able to be touched or felt, typically used in a medical context to describe something detectable on physical examination.

Fingertips

The distal ends of the fingers, highly sensitive to touch and used for fine manipulation.

Ankle-Brachial Index

A non-invasive test used to check for peripheral artery disease, comparing the blood pressure in the ankle with the blood pressure in the arm.

Peripheral Vascular Disease

A condition characterized by the narrowing of blood vessels outside of the heart and brain, which can reduce blood flow to limbs, organs, and other areas of the body.