A random sample of 25 indivuduals is selected from a pop. of 20....

Mathematics
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and a treatment is administered to each individual in the sample. After treatment sample mean is found to be 22.2 with SS=384. Whats the estimated standard error?

Nov 21st, 2014

Sum of squares =384

Variance = 384/24 =16

Standard Deviation =4

Standard error = 4/sqrt(25) =4/5 = 0.8


Nov 21st, 2014

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Nov 21st, 2014
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Nov 21st, 2014
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