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In statistics, the mid-range or mid-extreme is a measure of central tendency of a sample defined as the arithmetic mean of the maximum and minimum values of the data set: [1] M = max x + min x 2 . {\displaystyle M={\frac {\max x+\min x}{2}}.}
However, for a large data set (over 100 points) from a symmetric population, the mean can be estimated reasonably efficiently relative to the best estimate by L-estimators. Using a single point, this is done by taking the median of the sample, with no calculations required (other than sorting); this yields an efficiency of 64% or better (for ...
the middle value that separates the higher half from the lower half of the data set. The median and the mode are the only measures of central tendency that can be used for ordinal data, in which values are ranked relative to each other but are not measured absolutely. Mode the most frequent value in the data set.
In descriptive statistics, the range of a set of data is size of the narrowest interval which contains all the data. It is calculated as the difference between the largest and smallest values (also known as the sample maximum and minimum). [1] It is expressed in the same units as the data.
Sometimes, a set of numbers might contain outliers (i.e., data values which are much lower or much higher than the others). Often, outliers are erroneous data caused by artifacts. In this case, one can use a truncated mean. It involves discarding given parts of the data at the top or the bottom end, typically an equal amount at each end and ...
What You Can Feed Your Cat at Christmas (But Probably Shouldn't). Turkey breast: If you really feel the need to share your Christmas dinner with your cat, you can give some turkey breast.Do not ...
The most popular TODAY show recipes in 2024 include Jennifer Garner's blackberry crumble, Donna Kelce's marshmallow dinner rolls and more.
From January 2008 to December 2012, if you bought shares in companies when Michael S. Dell joined the board, and sold them when he left, you would have a -58.4 percent return on your investment, compared to a -2.8 percent return from the S&P 500.