For This Set of Data $\Sigma$ X² Is Equal to ______

question 61

Multiple Choice

For this set of data $\Sigma$ X² is equal to ______. 2, 5, 6, 7, 9, 10, 10, 12

• A) 8
• B) 61
• C) 539
• D) 3721

---

Definitions:

Precision-estimates

The accuracy of an estimate in terms of how closely it predicts the actual value, often relevant in statistical analyses and forecasting.

Opportunity Cost

The loss of potential gain from other alternatives when one alternative is chosen.

Investment Project

A project or activity that involves spending capital with the expectation of future financial returns.

Firm

A firm is an organization engaged in commercial, industrial, or professional activities, aiming to generate profits from its operations.