Trying to understand standard deviation. If a data set of 30 observations has a mean of 3.5 and a SD of 1.23. What is the SD telling me about the data?

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asked Jun 13, 2023 25.3k views

1 Answer

Ameer Sheikh · Answer 1 · 2023-06-20T02:36:30+0000

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.