(Answered) Based on data from the 1980 census the average age of a

Statistics

Based on data from the 1980 Census the average age of a Na'alehu County, Hawaii resident is 39 years with a standard deviation of 22.6 .

The data is normally distributed.

If 100 residents are surveyed, Determine the Inter Quartile range (IQR) for the average age of the residents of this County. Please explain how you derived your answer:

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