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What percentage of observations of a normal distribution is represented by the mean plus or minus 1.96 standard deviation?
Wiki User
∙ 10y ago
It is 95%
Wiki User
∙ 10y ago
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What is a 1.66 standard deviation in percentage?
The standard deviation is a measure of spread in a distribution, and 1.66 sd is a measure of a multiple of that interval. What that represents, in percentage terms, depends on the distribution, and whether the 1.66 sd is on one side of the mean or both. In view of the missing information, there can be no simple answer.
Percentage between 415 and 515 standard deviation 100 and mean is 515?
34.1% with the normal distribution.
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.
When the population standard deviation is known the sampling distribution is a?
normal distribution
What does standard deviation tell about distribution and varity?
It is a measure of the spread of the distribution. The greater the standard deviation the more variety there is in the observations.
What standard deviation tells us about a distribution?
It is a measure of the spread of the distribution: whether all the observations are clustered around a central measure or if they are spread out.
What is a 1.66 standard deviation in percentage?
The standard deviation is a measure of spread in a distribution, and 1.66 sd is a measure of a multiple of that interval. What that represents, in percentage terms, depends on the distribution, and whether the 1.66 sd is on one side of the mean or both. In view of the missing information, there can be no simple answer.
Percentage between 415 and 515 standard deviation 100 and mean is 515?
34.1% with the normal distribution.
What is the standard deviation of a standard normal distribution?
The standard deviation in a standard normal distribution is 1.
How is it possible to convert normal distributions to the standard normal distribution?
use this link http://www.ltcconline.net/greenl/Courses/201/probdist/zScore.htm Say you start with 1000 observations from a standard normal distribution. Then the mean is 0 and the standard deviation is 1, ignoring sample error. If you multiply every observation by Beta and add Alpha, then the new results will have a mean of Alpha and a standard deviation of Beta. Or, do the reverse. Start with a normal distribution with mean Alpha and standard deviation Beta. Subtract Alpha from all observations and divide by Beta and you wind up with the standard normal distribution.
What percentage is 1.5 standard deviation?
The interval of 1.5 sd either side of the mean contains 87 of the values of a Gaussian distribution. For other distribution the answers will be different.
In the standard normal distribution the standard deviation is always what?
The standard deviation in a standard normal distribution is 1.
How do you derive mean deviation from mean for pareto distribution?
The total deviation from the mean for ANY distribution is always zero.
There is a set of 100 observations with a mean of 50 and a standard deviation of 0 What is the value of the smallest observation in the set?
If there is zero deviation all the observations are 50.
When the population standard deviation is not known the sampling distribution is a?
If the samples are drawn frm a normal population, when the population standard deviation is unknown and estimated by the sample standard deviation, the sampling distribution of the sample means follow a t-distribution.
Why does a Uniform distribution have a greater standard deviation?
The answer depends on greater standard deviation that WHAT!
