Posted by **frances** on Saturday, January 22, 2011 at 4:55pm.

if this are class scores and in one week i have bimodal distribution,another week a positive skew,3rd week a normal distribution and 4th week negative skew.what does this different scores tells you about thios tests , what is happening to the students scores overtime. what type of distribution would the instructor most want to see if the best result is that most students earn an average score

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