In Testing the Difference Between the Means of Two Normal

question 143

Multiple Choice

In testing the difference between the means of two normal populations using two independent samples when the population variances are unequal,the sampling distribution of the resulting statistic is:

• A)normal.
• B)Student-t.
• C)approximately normal.
• D)approximately Student-t.

---

Definitions:

Type 2 Diabetes

A chronic condition characterized by insulin resistance and elevated blood sugar levels, often associated with obesity and lifestyle factors.

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure.

Cardiovascular Health

The overall condition of the heart and blood vessels, including the absence of heart disease and risk factors that could lead to heart problems.

Physical Fitness

Set of attributes relating to the ability to perform physical activity; often viewed as cardiorespiratory fitness; components include flexibility, suitable body composition, muscular strength, and muscular endurance.