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the range influences the extreme

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Q: The interquartile range is used as a measure of variability to overcome what difficulty of the range?
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What measures are used to describe variability?

Generally, the standard deviation (represented by sigma, an O with a line at the top) would be used to measure variability. The standard deviation represents the average distance of data from the mean. Another measure is variance, which is the standard deviation squared. Lastly, you might use the interquartile range, which is often the range of the middle 50% of the data.


What is the interquartile range a measure of?

The interquartile range is well known as a measure of statistical dispersion. It is equal to difference between upper and lower quartiles. The quartiles is a type of quantile.


Why is the interquartile range a more appropriate measure for spread than the range?

the interquartile range is not sensitive to outliers.


Is range a measure of variability?

Yes. The greater the range, the greater the variability.


Why is Interquartile range important?

It is important in any statistic measure


What is the semi interquartile range?

The semi interquartile range is a measure for spread or dispersion. To find it you have to subtract the first quartile from Q3 and divide that by 2, (Q3 - Q1)/2


What does interquartile range mean?

The interquartile range is the upper quartile (75th percentile) minus (-) the lower percentile (75th percentile). The interquartile range uses 50% of the data. It is a measure of the "central tendency" just like the standard deviation. A small interquartile range means that most of the values lie close to each other.


Is a measure of the number variety and variability of living organisms in an ecosystem.?

Biodiversity


Which measure of variability is used most often in conjunction with the mean?

range


How does finding the IQR hep you identify the variability of set of data?

The IQR gives the range of the middle half of the data and, in that respect, it is a measure of the variability of the data.


Is a measure of the number variety and variability of living organisms in an ecosyste?

Biodiversity


What is a measure of the spread of a set of data?

The standard deviation is the value most used. Others are variance, interquartile range, or range.