Statistical mean is a measure of central tendency and gives us an idea about where the data seems to cluster around. You can use it as an example when writing your own essay or use it as a source but you need cite it.
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It is closely related to standard deviation the most common measure of dispersion.
. If someone has a tendency to do or like something they will probably do it or like it. The mean is the most frequently used measure of central tendency because it uses all values in the data set to give you an average. This essay was written by a fellow student.
The mode is the only measure you can use for nominal or categorical data that cant. For example the mean marks obtained by students in a test is required to correctly gauge the performance of a student in that test. The mean is therefore the measure of central tendency that best resists the fluctuation between different samples.
For data from skewed distributions the median is better than the mean because it isnt influenced by extremely large values. If the student scores a low percentage but is well ahead of the mean then it means the test is.
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