Homework Help: Statistics

Posted by Pearl on Saturday, November 24, 2012 at 8:24pm.

A random sample of 80 students at a large school shows an average grade of 72 in Algebra with a standard deviation of 4. What is the standard error?

Statistics - PsyDAG, Sunday, November 25, 2012 at 1:03pm
SEm = SD/√n

Insert values and solve.

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