A Researcher Selects a Sample from a Population with a Mean

question 66

Multiple Choice

A researcher selects a sample from a population with a mean of µ = 40 and administers a treatment to the individuals in the sample.If the treatment is expected to decrease scores,which of the following is the correct statement of the null hypothesis for a one-tailed test?

• A)µ > 20
• B)µ < 45
• C)µ > 40
• D)µ < 80

---

Definitions:

Chief Marketing Officer

A top executive responsible for overseeing the planning, development, and execution of an organization's marketing and advertising initiatives.

Marketing Program Section

A portion of a marketing plan that outlines specific actions, tactics, and strategies to achieve marketing objectives.

Marketing Mix Elements

Components of marketing strategy, traditionally identified as product, price, place, and promotion, used to meet the needs of a target market.

Environmental Forces

External factors and influences that affect an organization's performance and strategies, including technological, regulatory, and competitive elements.