Respuesta :
Answer:
In mathematics and statistics, the arithmetic mean, or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection. The collection is often a set of results of an experiment, or a set of results from a survey.
Step-by-step explanation:
11 arithmetic mean between 1 and 25 are 30,50,70,90,110,130,150,170,190,210 and, 230