Statistics

What is the interquartile range a measure of?

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2013-07-10 16:17:37

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.

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Related Questions

The interquartile range is less likely to be distorted by outliers (extreme values).

It is important in any statistic measure

what is the interquartile range of 16,17,19,22,23,25,27,36,38,40,40,45,46

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.

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

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

The interquartile range of a set of data is the difference between the upper quartile and lower quartile.

If presents you with the upper and lower quartile range, although you have to do calculations in order to find the interquartile range, so no, it does not,

how do you find the interquartile range of this data

Both are measures of spread or dispersion.

Range = maximum - minimum Interquartile range = Value of 75th percentile - value of 25th percentile. The 75th percentile is the value such that 25% of the observations are bigger and 75% are smaller.

Some measures:Range,Interquartile range,Interpercentile ranges,Mean absolute deviation,Variance,Standard deviation.Some measures:Range,Interquartile range,Interpercentile ranges,Mean absolute deviation,Variance,Standard deviation.Some measures:Range,Interquartile range,Interpercentile ranges,Mean absolute deviation,Variance,Standard deviation.Some measures:Range,Interquartile range,Interpercentile ranges,Mean absolute deviation,Variance,Standard deviation.

If you are talking about statisitics, in a box and whisker graph it is the interquartile range.

An interquartile range is a measurement of dispersion about the mean. The lower the IQR, the more the data is bunched up around the mean. It's calculated by subtracting Q1 from Q3.

The Interquartile Range because it affects how much space is left between the median on either side....So there you go! I hope that I helped You... : D

The answer depends on the purpose. The interquartile range and the median absolute deviation are both measures of spread. The IQR is quick and easy to find whereas the MAD is not.

It can if the middle 50% all have the same score

It is the upper quartile minus the lower quartile.

Range, standard deviation, variance, root mean square, interquartile range

the IQR is the third quartile minus the first quartile.

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