Which statistical method is often utilized in determining desired body composition changes?

The selection of percentage of body fat estimation as the correct method highlights its importance in evaluating and tracking body composition changes. This method provides a clear and direct metric that reflects the proportion of fat to total body weight. Understanding body fat percentage is crucial for assessing individual fitness levels, guiding nutritional strategies, and setting realistic fitness goals.

While the mean weight calculation can provide a general idea of weight trends, it does not effectively convey the underlying changes in body composition, such as the ratio of fat to lean mass. Regression analysis can be beneficial in examining relationships between various factors related to body composition; however, it is generally more complex and used for predictive modeling rather than straightforward assessment of body composition change.

Thus, estimating the percentage of body fat directly addresses the inquiry regarding monitoring and determining optimal body composition changes, making it the most applicable statistical method in this context.