These standard deviations were less than 5% in 22 of 24 cases.
I would like to know the mean and standard deviation.
A low standard deviation means that most of the numbers are very close to the average.
Dry period was 128 days with a standard deviation of 89.
That is, independent 10-sample means should themselves have a standard deviation of 0.0316.
And that's with a standard deviation of only 8.45 percent.
The standard deviation between test scores in 2006 was 102.
The standard deviation of the test scores in 2006 was 105.
The average score in 2011 was 225 with a standard deviation of 22.
The third group has a much smaller standard deviation than the other two because its numbers are all close to 7.
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