mean
In mathematics, the mean is a measure of central tendency that represents the average of a set of numbers
In mathematics, the mean is a measure of central tendency that represents the average of a set of numbers. It is calculated by adding up all the values in the data set, and then dividing the sum by the number of values. The mean is often used to give a representative value for a data set.
To calculate the mean, follow these steps:
1. Add up all the numbers in the data set.
2. Count the total number of values in the data set.
3. Divide the sum of the numbers by the total count.
For example, let’s consider the set of numbers: 2, 4, 6, 8, 10.
To find the mean, we add up all the numbers: 2 + 4 + 6 + 8 + 10 = 30.
The total count of numbers in the set is 5.
So, the mean is 30 divided by 5, which equals 6.
The mean is useful for summarizing data by providing a single value that represents the whole set. However, it is important to note that the mean can be influenced by outliers, which are extreme values that are significantly different from the rest of the data.
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