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For 8 9 9 9 10 11 11 12: σ=1.3562

Q: What is the standard deviation of the following data set 8 9 9 9 10 11 11 12?

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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.

It is 0.

(As in Jeopardy) - What is "standard deviation"?

A single number, such as 478912, always has a standard deviation of 0.

Yes it does. The center, which is the mean, affects the standard deviation in a potisive way. The higher the mean is, the bigger the standard deviation.

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

Standard deviation has the same unit as the data set unit.

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.

Standard Deviation tells you how spread out the set of scores are with respects to the mean. It measures the variability of the data. A small standard deviation implies that the data is close to the mean/average (+ or - a small range); the larger the standard deviation the more dispersed the data is from the mean.

The standard deviation of a set of data is a measure of the spread of the observations. It is the square root of the mean squared deviations from the mean of the data.

A single number, such as 478912, always has a standard deviation of 0.

It is 0.7

It is 0.

(As in Jeopardy) - What is "standard deviation"?

The standard deviation is a measure of how much variation there is in a data set. It can be zero only if all the values are exactly the same - no variation.

A single number, such as 478912, always has a standard deviation of 0.

Yes it does. The center, which is the mean, affects the standard deviation in a potisive way. The higher the mean is, the bigger the standard deviation.