The durations (in minutes) of power failures at a residence in the last 5 years are listed below. 15 120 48 15 29 38 59 29 63 81 D What is the mean duration? Select the correct choice below and fill in any answer box to complete your choice. OA. The mean duration is minutes. (Round to one decimal place as needed.) C... OB. There is no mean score.

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