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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

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Q: What is the semi interquartile range?
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How do you find the semi interquartile range of a set of statistics?

You find the semi interquartile range by subtracting the 25th percentile (Q1) from the 75th (Q3) percentile and dividing by 2. So, the formula looks like : (Q3 - Q1)/2


What is the interquartile range of 16171922232527363840404546?

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


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

the interquartile range is not sensitive to outliers.


What is the meaing of interquartile range in math?

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


What is considered measures of variabilty is it mean interquartile range or mean absolute deviation?

interquartile range or mean absolute deviation.


Does a box plot represent an interquartile range?

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,


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.


What is unaffected by outliers?

interquartile range


How do you find the semi-interquartile range with only the mean and standard deviation?

In general, you cannot. If the distribution can be assumed to be Gaussian [Normal] then you could use z-scores.


Is it possible for interquartile range to be zero?

Yes, it is.


How do you find the interquartile range in a set of data?

how do you find the interquartile range of this data


Does an outlier have a greater effect on the standard deviation or interquartile range?

On the standard deviation. It has no effect on the IQR.