both appear on the 1-var stats function on my calculator…whats the difference?
Sx is called the sample standard deviation. It’s when the data is only a sampling of the entire amount of data. So when they calculate it, they divide by (n – 1) at the end instead of n.
σx is the population standard deviation, meaning all the data were used to calculate it, not just part, and they divide by n at the end.
That’s why Sx is always a bit higher than σx
So if your problem gives data from a sample use Sx and if it gives all the data use σx
Sx Statistics
me too sorry!!!!!!
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