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Q: In a normal distribution what percentage of the data falls within 2 standard deviation of the mean?
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What is the standard deviation of a standard normal distribution?

The standard deviation in a standard normal distribution is 1.


In the standard normal distribution the standard deviation is always what?

The standard deviation in a standard normal distribution is 1.


How does standard normal distribution differ from normal distribution?

The standard normal distribution has a mean of 0 and a standard deviation of 1.


Which normal distribution is also the standard normal curve?

The normal distribution would be a standard normal distribution if it had a mean of 0 and standard deviation of 1.


A standard normal distribution has a mean of and standard deviation of?

Mean 0, standard deviation 1.


Percentage between 415 and 515 standard deviation 100 and mean is 515?

34.1% with the normal distribution.


What percentage of observations of a normal distribution is represented by the mean plus or minus 1.96 standard deviation?

It is 95%


What is Normal of Standard Normal Probability Distribution?

with mean of and standard deviation of 1.


In your own words describe the standard normal distribution?

The standard normal distribution is a special case normal distribution, which has a mean of zero and a standard deviation of one.


What is the distribution with an means of 0 and a standard deviation of 1?

It is called a standard normal distribution.


When the population standard deviation is known the sampling distribution is a?

normal distribution


Is the standard normal distribution has a mean of 1 and standard deviation of 0?

No.