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The upper quartile of a set of data is a value such that a quarter of the observations are greater than that value. The lower quartile is similarly defined as the value such that a quarter of the observations are less than that value.

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11y ago

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Related Questions

Are the upper and lower quartiles classed as averages?

No.


Are the lower and upper quartiles of a box and whisker plot always whole numbers?

Yes


How do you find the lower and upper quartiles with only 5 values?

The lower quartile is the second smallest and the upper quartile is the fourth smallest (second largest).


How do you find upper and lower quartile?

See related link. Upper and lower quartiles are the 75 and 25% percentile measures.


What does IQR mean in math?

The interquartile range (IQR) is a measure of variability, based on dividing a data set into quartiles. Quartiles divide a rank-ordered data set into four equal parts.


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.


What type of graph is best for revealing the upper and lower quartiles of a set of data?

box-and-whisker plot


What quartile rage difference of the upper and lower quartiles?

There is no need to lose your rag!It is the inter-quartile range.


What are the upper and lower quartiles of the data set?

The upper quartile is the value such that a quarter of the data are greater than that value. Similarly, the lower quartile is the value such that a quarter of the data are lower than that value.


How do you find upper and lower quartiles In math?

To find the upper and lower quartiles of a data set, first, arrange the data in ascending order. The lower quartile (Q1) is the median of the lower half of the data, while the upper quartile (Q3) is the median of the upper half. If the number of data points is odd, exclude the median when determining these halves. Finally, use the following formulas: Q1 is the value at the 25th percentile, and Q3 is at the 75th percentile of the ordered data set.


Can the lower and upper quartiles be equal?

Yes. Usually the value of the lower quantile, median, and upper quantile are in ascending order, how if for the particular set of data, if all values are the same, then these three measures can be the same.


What does a box and whisker plot show about the data?

It is marked by the minimum, and maximum, the median, as well as the lower and upper quartiles. It also shows the skewness of the data.

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