Here are some possibilities:
* Mean: This is a basic statistical measure, representing the average of a set of numbers. It's calculated by summing all the values in a dataset and dividing by the total number of values.
* Distinguishing characteristics: This describes unique features or qualities that set something apart from others. For example, you might say that a distinguishing characteristic of a cat is its purring.
* Mean difference: This refers to the difference between two means, often used to compare groups. For instance, in a study comparing the height of men and women, the mean difference would be the average height difference between the two groups.
* Significant difference: This refers to a difference between two groups that is unlikely to have occurred by chance. It's used in statistical hypothesis testing to determine if the observed difference is statistically meaningful.
Could you please clarify what you meant by "distinguishing mean"? Providing more context would help me understand your query and offer a more accurate answer.