What does the standard deviation tell us and how is it calculated?
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The standard deviation is calculated as the square root of variance by determining each data point's deviation relative to the mean. If the data points are further from the mean, there is a higher deviation within the data set; thus, the more spread out the data, the higher the standard deviation.
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hey mate!! here is ur answer hope it helps you...
Step-by-step explanation:
The standard deviation is the average amount of variability in your data set. It tells you, on average, how far each score lies from the mean.
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