Statistics Definitions > Midrange
What is the Midrange?
The midrange is a type of average, or mean. Electronic gadgets are sometimes classified as “midrange”, meaning they’re in the middle-price bracket.
The formula to find the midrange = (high + low) / 2.
Sample problem: Current cell phone prices in a mobile phone store range from $40 (the cheapest) to $550 (the most expensive). Find the midrange.
Step 1: Add the lowest value to the highest: $550 + $40 = $590.
Step 2: Divide Step 1 by two: $590 / 2 = $295.
The mid priced phones would be priced at around $295.
Difference Between a Midrange and a Range.
The range is a measure of spread. In the cell phone example, the range would be: $550 – $40 = $510. The range can also mean the entire range of numbers—for example, it could be written as $40 to $550. The mid-range takes it a step further and divides the range by two to find a type of average.
Difference Between a Midrange and the Interquartile Range.
The midrange is often confused with the interquartile range (IQR), sometimes called the “middle fifty“. They actually mean very different things. The mid-range is a type of mean, while the interquartile range is talking about a chunk of data in the middle of a data set.
For example, when the weather service reports that a “mean daily temperature” is 77 degrees, they are talking about the mid-range. They got that number by taking the sum of the high daily temperature and the low daily temperature and dividing by 2. Let’s say the recorded daily temperatures were:
55, 65, 67, 69, 70, 80, 81, 87, 90
High = 90
Low = 55
Mid = (90 + 55) / 2 = 154 / 2 = 77.
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Stephanie Glen. "Midrange: Definition and How to Find the Midrange" From StatisticsHowTo.com: Elementary Statistics for the rest of us! https://www.statisticshowto.com/midrange-definition-use/
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