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A school superintendent wants to know how his district's students did on a nationwide standardized achievement test. The test was administered to all...

A school superintendent wants to know how his district's students did on a nationwide standardized achievement test. The test was administered to all on-site students. Unfortunately, 23 students in an EMR (educationally mentally retarded) program as well as 32 in a gifted program (very high IQ) attend classes off-site and so were not able to be tested. What measure of central tendency best summarizes the performance of all the district's students?



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as we dont know the value of the scores ,median would be the best... View the full answer

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In this question, we are concerned with the measures of the central tendency. Various measures of cenral tendency are... View the full answer

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