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Understanding Standard error calculation
How to use the Standard Error Function without a Graph
Would you be able to show us the data that isn't actually working?
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Hello!! I am trying to understand the workings behind the formula for standard error but I am getting very confused.
So from my understanding, standard error is the standard deviation of sample means, and the formula for it is:
n = sample size Standard error = standard deviation/sqrt(n)
I am confused as to whose standard deviation is this?
But this is what I gathered online; since the standard deviation for all the different samples is different, we need a standard deviation that is representative of all the samples, we might as well call this population standard deviation because it represents all the samples. Standard deviation from the samples which is equal to the population standard deviation is called the unbiased estimate of population standard deviation. So we are looking at calculating the unbiased estimate of population standard deviation from the sample dataset. Which means we have to consider n - 1 for the denominator, because of freedom of degrees.
Okay, now we have the unbiased estimate of population standard deviation, which is representative of all the standard deviations of the different samples.
Hence, standard error = unbiased estimate of population standard deviation//sqrt(n)
Is this correct? Any help is appreciated, thank you!!!!!!!!
Hello I'm an AP Biology teacher and my school recently purchased chrome books for the majority of class rooms. I have been using Google Sheets to help my kids to graph data and also learn a bit of the program. Everything is working great but there is one problem. I can not got the Standard Error function to work with a table of of data. I looked at the help sheet and requires both the x and y value to work. Is there any way to perform the function without graphing it? Thanks in advance.