It means in a reasonable, acceptable mount of time. For example, if a friend calls you and you don't call them back for a week, you did not call back in a timely fashion.
The mean is the sum of all elements in the sequence divided by the total number of elements. It is a statistic which represents the expected value of any term in the sequence (the average value).
Mean is when you add all the values and divide by the number of values. A mean is an average to use in making some very general inferences about the sample and population data. eg: If i have the...
well for instance add - 5+3+3+5=16 well u divide the 16 by how many u added which is 4 that u added ...so 4 is also your answer because that is how many the 4 (mean) go into the 16