Homework Help: statistics

Posted by Anonymous on Tuesday, August 16, 2011 at 8:46pm.

A random variable X is best described by a continuous uniform distribution from 20 to 45 inclusive. The standard deviation of this distribution is approximately

statistics - PsyDAG, Wednesday, August 17, 2011 at 12:40pm
Use rule of thumb for SD from range. The standard deviation is approximately one-fourth the range.

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