iterquartile

  1. C

    Iterquartile Range?, Median & Mode?, Symmetrical?

    HI All, plz help me solving these.. For the set of data of 20 observations 32, 30, 24, 24, 36, 33, 29, 29, 30, 28 57, 52, 51, 49, 55, 54, 50, 48, 53, 56 a) Find interquartile range, Quartile deviation. b) Also find out the median and mode by using excel operations. c) Is data perfectly...