Chapter PIII, Problem 17RE

To determine

To find: that it is an observational study, sample survey or an experiment and all the parameter of this study and survey and types of conclusions could be reached on the basis of given data.

Explanation of Solution

Researchers have data that physically matches individuals who are less likely to die of cancer. This was an observational study.

It was a prospective observational study that implies that participants are accompanied by subsequent effects, suggesting that those individuals that are physically fit in the subsequent are 55 percent less likely than those individuals who are not physically fit to die of cancer.