In Indiana, the school accountability legislation calls for locally
produced assesments to be used. An assessment is to be given to about
1600 students in the high school in which I teach. This assessment
will be given each September and May starting with the 2003-2004
school year. How large of a sample must be drawn from this population
in order to approximate the mean score for all of the students? Is it
possible to determine the size of the sample if there is no baseline
data for this population with regards to this particular assessment?
.
.
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