A Visual Aid That Divides a Circle into Wedges, Representing

question 59

Multiple Choice

A visual aid that divides a circle into wedges, representing percentages of the whole is called a

• A) line chart.
• B) model.
• C) column chart.
• D) pie chart.

---

Definitions:

T-value

A statistic that measures the difference between the observed sample mean and the population mean, divided by the standard deviation of the sample.

Regression Coefficient

A measure in statistics that represents the relationship strength and direction between a dependent variable and an independent variable.

Estimated Value

A value determined through approximation or inference based on statistical models, often used when exact data is unavailable.

Partial Regression Coefficient

A measure that represents the change in the dependent variable for a one-unit change in the predictor variable, holding all other predictors constant.