Computing the Necessary Sample Size for an Interval Estimate of a Population

question 14

Multiple Choice

Computing the necessary sample size for an interval estimate of a population proportion requires a planning value for $\bar{p}$ . In case of any uncertainty about an appropriate planning value, we know the value that will provide the largest sample size for a given level of confidence and a given margin of error is

• A) .10
• B) .50
• C) .90
• D) 1

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Definitions:

Motivation

The process that initiates, guides, and maintains goal-oriented behaviors, driving individuals to pursue and achieve goals.

Self-Efficacy Theory

A psychological concept which posits that individuals' belief in their ability to perform tasks influences their actions and successes.

Motivated

Having a strong willingness or enthusiasm to do something.

Goal Specificity

The clarity and precision with which a goal is defined, impacting its measurability and the ability to achieve it.