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Mathematics 17 Online
OpenStudy (anonymous):

What is the relationship between Sample Size and the width of the Confidence Interval? Please explain further as to why

OpenStudy (amistre64):

do you recall how to determine a confidence interval?

OpenStudy (amistre64):

\[CI=\bar x \pm z\frac \sigma {\sqrt n}\]

OpenStudy (amistre64):

the only real control we have is over the sample size, n how does the value of n effect the setup?

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