Agent Tom Properties 5 Sally 11 Richard 2 Нarry 10 ТОTAL na local community, there are many real estate agents each listing several roperties for sale. An urban geographer takes a sample of four of these agents and ecords the number of properties listed by each (shown in the table). Use the table to alculate the mean and standard deviation of this sample. Vhat is the mean number of properties per agent? Vhat is the sum of squared deviations? Vhat is the standard deviation of this sample, rounded to three digits?

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