In: Math
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 |