Sketch the Curve with Polar Equation $$r = 2 - 4 \cos \theta$$

question 92

Essay

Sketch the curve with polar equation $$r = 2 - 4 \cos \theta$$ .

---

Definitions:

Wilcoxon Rank Sum Test

A nonparametric statistical test used to compare two independent samples to assess whether their population means differ.

Marital Status

A demographic characteristic relating to an individual's state of marriage, such as single, married, divorced, or widowed.

Wilcoxon Rank Sum Test

A non-parametric test that assesses whether two independent samples come from the same distribution, particularly useful when the data does not meet the criteria for a t-test.

Wilcoxon Rank Sum

A non-parametric test used to compare two independent samples to determine whether their populations have different median values.