InterQuartile Range (IQR) Calculator. Interquartile range (IQR) is the difference between the third and the first quartiles in descriptive statistics. Make use of this free online calculator to find the interquartile range from the set of observed numerical data.
Casanova is a gem: a clean, tidy little cafe restaurant on two levels with framed tourist snaps of Italian landmarks on the walls and a collection of bright Venetian masks on the top floor. Falling in love with Casanova; CLAIRE HUTCHINSON and her family enjoyed a taste of Italy at this family-run restaurant
 Cowboy Casanova  is a country song by American singer Carrie Underwood. The song was written by Mike Elizondo, Brett James and co-written by Underwood herself.It was released on September 14, 2009, by Arista Nashville as the lead single from her third studio album, Play On.owboy Casanova debuted at number 26 on the U.S. Billboard Hot Country Songs chart for the week of September 19, 2009. Cowboy Casanova was also marked as Underwood's fastest climbing song in the chart, climbing to number 11 only one week after its official release and reaching number one in only ten weeks.