Quartile Deviation for Ungrouped Data

Posted by mbalectures | Posted in Descriptive statistics | 12,223 views | Posted on 15-06-2010

Tagged Under : , , , ,

 Quartile deviation or semi-interquartile range is the dispersion which shows the degree of spread around the middle of a set of data. Since the difference between third and first quartiles is called interquartile range therefore half of interquartile range is called semi-interquartile range also known as quartile deviation. For both grouped and ungrouped data, quartile […]

Quartile deviation for Grouped Data

Posted by mbalectures | Posted in Descriptive statistics | 14,970 views | Posted on 15-06-2010

Tagged Under : , , ,

Quartile deviation or semi-interquartile range is the dispersion which shows the degree of spread around the middle of a set of data. Since the difference between third and first quartiles is called interquartile range therefore half of interquartile range is called semi-interquartile range also known as quartile deviation. For both grouped and ungrouped data, quartile […]