The Standard Deviation of the Data Displayed in This Dotplot

question 23

Multiple Choice

The standard deviation of the data displayed in this dotplot is most likely to be …

• A) 8.
• B) 5.
• C) 20.
• D) 12.
• E) 18.

---

Definitions:

Least-squares Regression

A statistical method used to estimate the relationship between variables, typically by minimizing the squares of the differences between observed and predicted values.

Least-squares Regression

Least squares regression is a statistical technique that identifies the optimal fit line by minimizing the sum of the squared differences between the actual and forecasted values.

Variable Component

The portion of costs or expenses that varies directly with changes in business activity level.

Inspection Cost

Expenses associated with the activities undertaken to ensure that products or services meet the required standards and specifications.