excel statistics chart

this chart shows that Japanese test scores have a negatively skewed distribution. American scores have a positively skewed distribution. Japanese scores are leptokurtic which means a more peaked distribution. American scores are platykurtic which means a less peaked distribution. Japanese test scores mostly fall in the range of 41-56 and American scores fall mostly in the range of 39-59. Negatively skewed data falls to the right of the mean and positively skewed data falls to the left of the mean.