Hello There ! In this lesson I didn't understand how do you calculate the pool standard deviation, can you give me the formula ? Or is it the same as the one for the pool variance ? Thanks a lot !

Hello Vincent! Thanks for reaching out! You can use the one for the variance and then take its squared root. Best, The 365 Team

Thanks for quick response, and suggestion for later review of the course, the pooled standard deviation calculation might be included in video, for easy referencing and smooth learning

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Vincent Perret

Last answered:

19 Oct 2021

Posted on:

16 Sept 2021

How to Calculate the Pool standard Deviation

in Statistics / Confidence intervals. Two means. Independent samples (Part2)

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John K

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17 Sept 2021

Robiu Olayinka Aliu

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19 Oct 2021

How to Calculate the Pool standard Deviation

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