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→Other "measures of central tendency": Spelling/Grammar Check, typos fixed: the the → the
Because the average is familiar and easily calculated, it is often chosen as the single number that summarizes a group. Depending on how the number is to be used, sometimes the average is a good choice, sometimes it is not, so it is important to understand the other choices.
Because the average is familiar and easily calculated, it is often chosen as the single number that summarizes a group. Depending on how the number is to be used, sometimes the average is a good choice, sometimes it is not, so it is important to understand the other choices.
*The [[mid-range]] is the value which falls exactly half way between the two extreme values in the the group.
*The [[mid-range]] is the value which falls exactly half way between the two extreme values in the group.
*The [[median]] is the value which splits the group of numbers in the middle: half are higher, half are lower. The median is the most commonly used [[quantile]].
*The [[median]] is the value which splits the group of numbers in the middle: half are higher, half are lower. The median is the most commonly used [[quantile]].
*The [[mode]] is the exact value (or values) which occurs the most often in the group; in a continuous distribution, it is the highest peak.
*The [[mode]] is the exact value (or values) which occurs the most often in the group; in a continuous distribution, it is the highest peak.