midspread midspread /ˈmɪdˌsprɛd/

noun

1. A measure of statistical dispersion, being equal to the difference between the upper and lower quartiles.  ( interquartile range , middle fifty , midspread )
   a measure of statistical dispersion, being equal to the difference between the upper and lower quartiles.
    From the set of data above we have an interquartile range of 3.5, a range of 9 - 2 = 7 and a standard deviation of 2.34.
   From the set of data above we have an interquartile range of 3.5, a range of 9 - 2 = 7 and a standard deviation of 2.34.