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Why is the average of numbers called mean?
'cause they were average, not fantastic! It is sometimes stated that the 'mean' means average. This is incorrect if "mean" is taken in the specific sense of "arithmetic mean" as there are different types of averages: the mean, median, and mode. For instance, average house prices almost always use the median value for the average.
What is the mathematical symbol for average?
The mathematical symbol for average is sometimes denoted by putting a line above the variable, like this: _ X The "Expectation value" of a random variable - is like a weighted average. E[X] or <X> or the Greek letter mu (µ) - are a few of the common symbols for the Expected Value of X. A random variable may, for example, represent your high school grades for each course taken, where each course has a different weight. The expectation value would be your weighted average of high school grades.
What does median mean in mathmatical terms?
Arithmetic, Statistics . the middle number in a given sequence of numbers, taken as the average of the two middle numbers when the sequence has an even number of numbers: 4 is the median of 1, 3, 4, 8, 9.
Are fractions counting numbers?
No. The counting numbers are usually taken to be 1, 2, 3, ...
What is an average step length?
The average step length is taken as 30 inches.
