Researchers Can Estimate Variability in Three Ways

question 22

Multiple Choice

Researchers can estimate variability in three ways.Which of the following is NOT one of the three ways a researcher may estimate variability?

• A)By examining research objectives against costs
• B)By assuming maximum variability(p = 50%,q = 50%)
• C)By seeking previous studies on the population
• D)By conducting a small pilot study

---

Definitions:

Weighted Average

A calculation that takes into account the proportional relevance of each component, rather than treating them equally.

Net Income

The total profit of a company after all expenses and taxes have been deducted from revenue.

Common Shares

Equity securities that represent ownership in a corporation, giving shareholders voting rights and a share in the company's profits through dividends.

Preferred Shares

A class of stock that provides shareholders with a priority claim on assets and earnings before common stockholders, usually including fixed dividend payments.