IQR question

Question # 00753346 Posted By: Geoffrey_72451 Updated on: 03/08/2020 05:15 AM Due on: 03/07/2020
Subject Statistics Topic General Statistics Tutorials:
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Based on data from the 1980Census 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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