what does a score mean in maths
The mean test score is 85. Definition: The arithmetic mean of a set of data is found by taking the sum of the data, and then dividing the sum by the total number of values in the set. A mean is commonly referred to as an average.In the problem above, the mean was a whole number.he mean test score is 85. Definition: The arithmetic mean of a set of data is found by taking the sum of the data, and then dividing the sum by the total number of values in the set. A mean is commonly referred to as an average. In the problem above, the mean was a whole number.