One idea is that you could plot the score from each game. If the range chart looks okay, then calculate, plot, and evaluate the X chart. X-Bar and R charts draw a control chart for subgroup means and a control chart for subgroup ranges in one graphic. This is the range containing the data. Mitra, Fundamentals of Quality Control and Improvement , 2nd ed.
The analysis revealed that some statistically significant weight loss occurred, but the magnitude of the effect is small and the clinical relevance is uncertain.
They also found that gastrointestinal adverse events were twice as likely in the hydroxycitric acid group as in the placebo group.
When you are considering the potential benefits of products look for meta-analysis studies that take in all the sound research available.