Perform a Chi-Square Independence Test Using the Critical Value Approach

question 24

Essay

Perform a chi-square independence test using the critical value approach, provided the conditions for using the test aremet. Be sure to state the hypotheses and the significance level, to obtain the expected frequencies, to obtain the criticalvalue, to compute the value of the test statistic, and to state your conclusion.
-A researcher performed a study to determine whether an association exists between political party affiliation and income. She obtained the following sample data.
At the 10% significance level, do the data provide sufficient evidence to conclude that an association exists between political party affiliation and income?

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Definitions:

17th Century

The period in history spanning from 1601 to 1700, often noted for major developments in science, mathematics, and philosophy.

Inferential Statistics

A branch of statistics that uses a sample of data to make inferences or predictions about a population.

Average

A statistical measure obtained by dividing the sum of values by the number of values.

Reliable Data

Information that consistently yields similar results under the same conditions, indicating its dependability and stability over time.