The tenth percentile for home selling prices in a city is $35,500 and the ninetieth percentile for home selling prices in the same city is $225,000. Find the 10-90 percentile range and give a range within which 80% of the selling prices fall.What advantages or disadvantages would a 20-80 percentile range have in comparison to a 10-90 percentile range?With reference to the
(a) 10-90 percentile range,
(b) 20-80 percentile range, and
(c) 25-75 percentile range.
What is the relationship between (c) and the semi-interquartile range?
(a) How would you graph the semi-interquartile range corresponding to a given frequency distribution?
(b) What is the relationship of the semi-interquartile range to the ogive of the distribution?