A researcher intended to investigate the potential association between Age Group and Smoking Status. He collected...

A researcher intended to investigate the potential association between Age Group and Smoking Status. He collected data from 575 participants. The data was summarized in Table 2. Was the data in support of a statistically significant association between Age Group and Smoking Status? The significance level was 0.05. How do you determine the expected levels in the chi test?

Table . Age Group and Smoking Status

	Non smoker	Occasional smoker	Frequent smoker
Younger than 35	23	45	35
35~50-years-old	33	44	65
51~65-years-old	43	63	90
Older than 65	72	27	35

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milcah answered 8 months ago

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