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It is mean + 2*standard deviation.

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11y ago

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Related Questions

How do you find the three sigma limits?

This is 3 standard deviations above and below the mean.


How many standard deviations above the mean is the 90th percentile?

It is 1.28


How many standard deviations is 16.50 from the mean?

How many standard deviations is 16.50 from the mean?


A z-score of plus 1.6 represents?

It is 1.6 standard deviations above the mean.


If a data point has a corresponding score of -1.5 then it is one and a half standard deviations above the mean value.?

If you are talking about the z-value of a point on the normal curve, then no, it is 1.5 standard deviations BELOW the mean.


What is the sum of the deviations from the mean?

The sum of standard deviations from the mean is the error.


What would -2 standard deviation below the mean be?

It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.It would mean that the result was 2 standard deviations above the mean. Depending on the distribution of the variable, it may be possible to attach a probability to this, or more extreme, observations.


What percent lies more than 3 standard deviations above the mean?

15/1000


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1


How many standard deviations above and below the mean contains 99 percent of the population?

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95% is within 2 standard deviations of the mean.


What percent of the data in a normal distribution lies more than 2 standard deviations above the mean?

2.275 %