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February 28, 2015

February 28, 2015

Posted by **J** on Sunday, April 22, 2007 at 3:08pm.

A) x-bar is approximately normally distributed.

B) The distribution of x-bar is uniform.

C) x-bar is normally distributed.

D) None of the above statements is true.

I am thinking it is uniformed because of the sample size of 32 which means if this was to be on a dotplot, there would only be one plotted data because the dice was rolled 32 times.

No. X-bar is the running mean. Each time a number is thrown, it changes the mean. It should approximate a normal distribution.

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