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

question 12

Essay

Use a ?² test to test the claim that in the given contingency table, the row variable and the column variable are independent
-Draw an example of a representative chi-square distribution and discuss three characteristics of a chi-square distribution. Show an example of the special case of the chi-square distribution for only 1 or 2 degrees of freedom.

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Definitions:

With Interaction

In statistical analysis, refers to a model that includes terms for interactions between variables to assess if the effect of one variable on the response variable changes at different levels of another variable.

Statistician

A professional or expert in the field of statistics, specializing in the collection, analysis, interpretation, and presentation of numerical data.

Linearly Related

Describes a condition where there exists a straight-line relationship between two variables, indicating that a change in one variable is associated with a proportional change in another.

Predictor Variables

In statistical models, variables that are used to predict the value of another variable, typically the outcome or response variable.