A researcher intended to investigate the potential associationbetween Age Group and Smoking Status. He collected data from 575participants. The data was summarized in Table 2. Was the data insupport of a statistically significant association between AgeGroup and Smoking Status? The significance level was 0.05. How doyou 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 |