Use a ?² Test to Test the Claim That in the Given

question 3

Essay

Use a ?² test to test the claim that in the given contingency table, the row variable and the column variable are independent
-Use the sample data below to test whether car color affects the likelihood of being in an accident. Use a significance level of 0.01. $$\begin{array} { c | c c c } & \text { Red } & \text { Blue } & \text { White } \\\hline \text { Car has been in } & & \\\begin{array} { c } \text { accident }\end{array} & 28 & 33 & 36 \\\begin{array} { c } \text { Car has not been } \\\text { in accident }\end{array} & 23 & 22 & 30\end{array}$$

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Definitions:

Helper T Cells

A type of white blood cell that plays a crucial role in the body's immune system by helping to activate other immune cells.

Phagocytosis

The cellular process of engulfing solid particles by a cell to form an internal vesicle known as a phagosome.

Antibodies

Proteins produced by the immune system to identify and neutralize foreign substances like bacteria and viruses.

Antigens

Substances that the immune system recognizes as foreign, triggering an immune response; often parts of pathogens like bacteria, viruses, or fungi.