MrJohnson Has Collected Data from 100 People Assessing Their Attitudes $\Sigma X^{2}$

question 28

Essay

Mr.Johnson has collected data from 100 people assessing their attitudes toward a recent referendum.He has calculated $\Sigma X^{2}$ = 470 and $(\Sigma X)$ = 150.Calculate the estimated population standard deviation for his data.

---

Definitions:

Active Behavior

Engaging in actions that are intentional and purposeful.

360-degree Feedback

A process of self-evaluation and evaluations by a manager, peers, direct reports, and possibly customers.

Self-evaluations

The process by which individuals assess their own performance, strengths, and areas for improvement.

Evaluation Interviews

Structured interactions where an individual's performance, preferences, or capabilities are assessed through dialogue.