Describe the Null Hypothesis for the Test of Independence $\chi ^ { 2 }$

question 49

Essay

Describe the null hypothesis for the test of independence. List the assumptions for the $\chi ^ { 2 }$ test of independence.

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Definitions:

Pollution-Sensing Devices

Technology used to detect and measure the level of pollutants in the environment.

Decision Tree

A graphical representation used in decision analysis to visually and explicitly represent decisions and decision making.

Expected Value

A calculated average of all possible values for a random variable, weighted by their probabilities of occurrence.

Receptive

Being open and willing to accept new ideas, suggestions, or changes.