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A data collection of the length of phone calls (in minutes) by a random sample of 12 calls made by Pete and Dave is shown below. Which statement is true?

Pete: 38,39,43,13,22,23,44,46,37,24,26,27

Dave: 34,41,13,14,26,56,57,58,27,28,32,42

I - Pete did not make any 13 minute phone calls ;

II - Pete's median call length is lower than Dave's median call length ;

III - The mean is less than the median in both groups.


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