Given a Normal Distribution with σ = 3, We Want

question 38

Multiple Choice

Given a normal distribution with σ = 3, we want to test the hypothesis H₀: μ = 20. We find that the sample mean is 21. The test statistic is:

• A)1.000
• B)1.645
• C)1.960
• D)impossible to find without more information.

---

Definitions:

Adult Height

The final height an individual attains after completing the natural growth process, typically measured in feet or meters.

Kg

Kilogram, a unit of mass in the International System of Units (SI), equivalent to approximately 2.20462 pounds.

Linear

Pertaining to or resembling a line, especially in relation to attributes like growth or decline that occur in a straight or nearly straight fashion.

Moderate

Of average intensity or quality; neither good nor bad.