[See Steps] According to the National Weather Service, the official snowfall total for the Blizzard of 2011 is 20.2 inches as recorded at O’Hare International
Question: According to the National Weather Service, the official snowfall total for the Blizzard of 2011 is 20.2 inches as recorded at O’Hare International Airport. Totals are also recorded at numerous locations in the Chicago area. The below list is a sample of these measurements, reported in inches. Determine the range, average deviation and the standard deviation.
Location Snowfall
Midway 22
Downers 24
Spring Grove 20.8
Romeoville 14.4
Oak Brook 17.7
Park Forest 19
Naperville 18
Homewood 13.7
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