I want to know what the mean number of followers for users on Facebook. How many users should I include in my sample if

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answerhappygod
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I want to know what the mean number of followers for users on Facebook. How many users should I include in my sample if

Post by answerhappygod »

I want to know what the mean number of followers for users on
Facebook. How many users should I include in my sample if I want to
be 95% confident that the sample mean is within 9 followers of the
population mean? I know from previous studies in 2015, the
population standard deviation was 52.
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