Fоr eаch dаtаset, cоmpute the fоllowing for X, Y, Z, and U using Excel, StatCrunch or ArtofStat. Round your answers to two decimal places and use proper statistical notation. Compute the mean for each set. Use proper notation. Compute the variance for each set. Use proper notation. Find the Five-Number summary (minimum, Q1, median, Q3, maximum) for each set. Use proper notation. Find Interquartile Range (IQR) for each set. Use proper notation. Hint: You can organize your answers into a table with the following settings: Summary Statistics sample mean (include notation) Sample variance (include notation) Five Number Summary IQR Data set #1, X Data set #2, Y Data set #3, U Data set#4, Z Important: Round all answers to two decimal places.