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The numbers posted are multiples of 3. In the question, you will find that if you look closely, you can find that some of the numbers are 2 numbers away from the original number

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Kira Geocke Harris

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Q: Find the standard deviation for the following data: 15, 18, 21, 22, 26, 28, 31, 39?
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Related questions

What is the standard deviation of the following data set rounded to the nearest tenth 6040354539?

The standard deviation of a single number, as in this question, is 0.


Why would someone need a standard deviation calculator?

A standard deviation calculator allows the user to find the mean spread away from the mean in a statistical environment. Most users needing to find the standard deviation are in the statistics field. Usually, the data set will be given and must be typed into the calculator. The standard deviation calculator will then give the standard deviation of the data. In order to find the variance of the data, simply square the answer.


How do you find the standard deviation for data?

Standard deviation calculation is somewhat difficult.Please refer to the site below for more info


What is standard deviation used for?

Standard deviation is a measure of the spread of data.


What is the standard deviation if all data points are different?

It depends on the data. The standard deviation takes account of each value, therefore it is necessary to know the values to find the sd.


How do you find highest standard deviation in given number?

Standard deviations are measures of data distributions. Therefore, a single number cannot have meaningful standard deviation.


If the standard deviation is small the data is more dispersed?

No, if the standard deviation is small the data is less dispersed.


What does one standard deviation mean?

Standard deviation is a measure of variation from the mean of a data set. 1 standard deviation from the mean (which is usually + and - from mean) contains 68% of the data.


What does standard deviation help you find?

Standard deviation helps you identify the relative level of variation from the mean or equation approximating the relationship in the data set. In a normal distribution 1 standard deviation left or right of the mean = 68.2% of the data 2 standard deviations left or right of the mean = 95.4% of the data 3 standard deviations left or right of the mean = 99.6% of the data


Why do we need the standard deviation?

The standard deviation is a measure of the spread of data.


Relation between mean and standard deviation?

Standard deviation is the variance from the mean of the data.


Does variance and standard deviation assume nominal data?

No. Variance and standard deviation are dependent on, but calculated irrespective of the data. You do, of course, have to have some variation, otherwise, the variance and standard deviation will be zero.