a) A random sample of 15 bank customers is selected to see how long (in minutes) they waited in line during the lunch hour, the results are as follows ,1.2.3.3.3.4.4.5.6.6.8.9.11.13.15, find the followingA) meanb) medianc) mode d) range e) mean deviationf) first and third Quartile g) semi inter quartile h) standard deviation show all necessary workingsScanned by CamScanner Scanned by CamScanner
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