The lowest score of a negatively skewed distribution is the mean.
A distribution can be symmetrical, negatively skewed or positively skewed.
For a symmetrical distribution, the mean, the median and the mode are all equal.
For a negatively skewed distribution, the mean is the lowest value, followed by the median and then the mode is the highest value.
For a positively skewed distribution, the mean is the highest value, followed by the median and the the mode is the lowest value.