To find: The farm incomes in 2001 of which states are not within one standard deviation of the mean are to be determined.
The states not within one standard deviation of the mean are Iowa, North Dakota and South Dakota.
Given information:
The given data sets are:
The mean income for the years 2001 and 2002 are 6706.86 and 6738.14 (millions of dollars) respectively.
The standard deviations for the years 2001 and 2002 are 2678.9 and 2758.99 respectively.
Calculation:
For 2001:
One standard deviation above the mean is
One standard deviation below the mean is
The values not within one standard deviation of the mean are 10653, 2938,3897.
So the states are Iowa, North Dakota and South Dakota.
Conclusion:
The states not within one standard deviation of the mean are Iowa, North Dakota and South Dakota.
Chapter 11 Solutions
High School Math 2015 Common Core Algebra 2 Student Edition Grades 10/11
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