Refer to the previous exercise about the study of the relationship between level of physical activity and

Question:

Refer to the previous exercise about the study of the relationship between level of physical activity and aging. Show how to calculate the chi-square statistic by setting up the formula with appropriate numbers.

Data from previous exercise

An eight-year cohort study of 3,454 initially disease-free men and women (ages around 60 years or more) recorded the extent of physical activity the participants engaged in and whether or not they were showing signs of €œhealthy aging€ (British Journal of Sports Medicine, 2013). Here is the table of summarized counts at the conclusion of the study:

Activity level Inactive Moderate Vigorous Total Yes 665 55 345 265 Healthy aging? No 2,789 598 1,347 844 1,692 1,109 3,4