If the Plot of the Residuals Is Fan Shaped,which Assumption

question 108

Multiple Choice

If the plot of the residuals is fan shaped,which assumption is violated?

• A)Normality.
• B)Homoscedasticity.
• C)Independence of errors.
• D)No assumptions are violated,the graph should resemble a fan.

---

Definitions:

Population

All the possible subjects or cases of interest.

Critical Value

A threshold in a statistical test that defines the boundary for whether a statistic is considered significant or not, helping decide to accept or reject the null hypothesis.

Test Value

A specific value used in hypothesis testing to compare against the statistic calculated from the sample data.

Chi-square Value

A statistical measure used to determine if a significant difference exists between the frequencies of observed and expected outcomes in one or more categories.