Your Investment Executive Claims That the Average Yearly Rate of Return

question 120

Multiple Choice

Your investment executive claims that the average yearly rate of return on the stocks she recommends is at least 10.0%.You plan on taking a sample to test her claim.The correct set of hypotheses is

• A) H₀: μ < 10.0% H_a: μ 10.0%.
• B) H₀: μ 10.0% H_a: μ > 10.0%.
• C) H₀: μ > 10.0% H_a: μ 10.0%.
• D) H₀: μ 10.0% H_a: μ < 10.0%.

---

Definitions:

Dependent Variable

In an experiment, the variable that is being tested and measured, expected to change in response to manipulations of the independent variable.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effect on the dependent variable.

Manipulation

The skillful or artful management or control of something or someone, often in a manner that is somewhat deceptive or underhanded.

Control Group

In experimental research, it refers to the group of participants who do not receive the experimental treatment, offering a baseline comparison for the effects of that treatment.