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The relative frequency table below summarizes a survey about support for candidate X in an upcoming national election. In this survey,

75

randomly selected Virginians supported candidate X.

How many people in the survey were Californians?

Does the table show evidence of an association between being from California and supporting candidate X?

Choose all answers that apply:

A
Yes, because $62.5\%$ of people who support candidate X are from California, but only $50\%$ of all people in the study are from California.
B
Yes, because Californians who support candidate X have the highest joint relative frequency.
C
Yes, because $50\%$ of Californians support candidate X, but only $40\%$ of all people support him.
D
No, because the total column percentages are equal.
E
No, because $50\%$ of Californians support candidate X and $50\%$ of Californians do not support candidate X.

		Virginian	Californian	Row total
Supports candidate X	$\begin{aligned} &\text{Row %} \\ &\text{Column %} \\ &\text{Total %} \end{aligned}$	$\begin{aligned} &\text{37.5} \\ &\text{30} \\ &\text{15} \end{aligned}$	$\begin{aligned} &\text{62.5} \\ &\text{50} \\ &\text{25} \end{aligned}$	$\begin{aligned} &\text{100} \\ &\text{------} \\ &\text{40} \end{aligned}$
Opposes candidate X	$\begin{aligned} &\text{Row %} \\ &\text{Column %} \\ &\text{Total %} \end{aligned}$	$\begin{aligned} &\text{58.3} \\ &\text{70} \\ &\text{35} \end{aligned}$	$\begin{aligned} &\text{41.7} \\ &\text{50} \\ &\text{$25$} \end{aligned}$	$\begin{aligned} &\text{100} \\ &\text{-----} \\ &\text{60} \end{aligned}$
Column total	$\begin{aligned} & \text{Row %}\\&\text{Column %}\\&\text{Total %}\end{aligned}$	$\begin{aligned} &\text{-----} \\ &\text{100} \\ &50\end{aligned}$	$\begin{aligned} &\text{-----} \\ &\text{100} \\ &\text{50} \end{aligned}$	$\begin{aligned} &\text{100} \\ &\text{100} \\ &\text{100} \end{aligned}$

Trends in categorical data