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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.
-Research is conducted regarding the average age at retirement for four career groups. To test whether there is a relationship between age of retirement and career in these groups, 700 employees, recently retired, are randomly selected. The resulting data are displayed in the contingency table below. At the 5% significance level, do the data provide sufficient evidence to conclude that an association exists between age of retirement and career?
Specialist Niche
A narrowly defined role or position occupied by an organism or a business within an ecosystem or market, respectively, requiring specific adaptations or specialized skills.
Human Health
The overall condition of an individual's body or mind, especially in terms of the presence or absence of illnesses and impairments.
Sanitation Systems
Infrastructure and practices aimed at the safe and efficient collection, treatment, and disposal or reuse of human excreta and wastewater.
Skin Cancer
A type of cancer that develops in the cells of the skin, often due to overexposure to ultraviolet radiation from the sun or other sources.
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