The mean is the average. It is the sum of the x-values divided by the total number of observations. for example:
1
3
4
5
7
10
12
15
1+3+5+7+10+12+15=57
There are 8 observations here, n=8
So, 57/8=7.125 This is the mean.
Explanation:
To find the mean in a problem you may read, add all the numbers up. Then divide by how many numbers you have in all. And you get your mean. Easy peasy:)
In statistics, this is the symbol for the "Variance"
They are statistics of central tendency.
no
Mean is the average.
The mean is called a non-resistant measure in statistics.
In statistics, this is the symbol for the "Variance"
the mean is important in statistics because you will find out your average and can compare that mean to other things..
What do you mean by statistics? Re-Ask the question.
descriptive statistics
They are statistics of central tendency.
no
the mean is affected by outliers
Mean is the average.
Probability/ Statistics
Examples of descriptive statistics are mean, median, mode, and midrange.
The mean is called a non-resistant measure in statistics.
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