Exhibit 13

question 34

Multiple Choice

Exhibit 13.2 A researcher with Ministry of Transportation is commissioned to study the drive times to work (one-way) for U.S.cities.The underlying hypothesis is that average commute times are different across cities.To test the hypothesis,the researcher randomly selects six people from each of the four cities and records their one-way commute times to work.Refer to the below data on one-way commute time (in minutes) to work.Note that the grand mean is 36.625. Refer to Exhibit 13.2.The value of the test statistic is:

• A)0.06
• B)0.40
• C)2.51
• D)16.75

---

Definitions:

Cortisol

A steroid hormone produced by the adrenal glands, often released in response to stress and a key component in regulating metabolism, immune response, and inflammation.

Cushing Disease

A condition caused by excess cortisol in the body, often due to a pituitary gland tumor.

Progeria

A rare genetic disorder characterized by accelerated aging in children.

Hirsutism

The excessive growth of hair in unusual areas of the body in women, often as a result of hormonal imbalance.