Apply the Pooled T-Test

question 4

Multiple Choice

Apply the pooled t-test.
-Data were collected on annual personal time (in hours) taken by a random sample of 16
Women and 20 men employed by a medium-sized company. The women took an average
Of 24.75 hours of personal time per year with a standard deviation of 2.84 hours. The men
Took an average of 20.5 hours of personal time per year with a standard deviation of 2.75
Hours. The pooled estimate of the variance is

• A) 264.6715
• B) 2.790
• C) 7.785
• D) 12.998
• E) None of the above.

---

Definitions:

Triglycerides

A type of fat found in the blood, used as a source of energy, with high levels associated with an increased risk of heart disease.

Store Energy

The process of conserving energy in the form of fat, glycogen, or other substances within the body for future use.

Hydroxyl Ions

Negatively charged ions made of oxygen and hydrogen (OH-), which play a critical role in chemical reactions involving water.

Inferior and Superior

Terms used to describe the relative positions in anatomy, where "inferior" indicates a location towards the feet and "superior" indicates a location towards the head.