1 a students grade on a very difficult english exam is


1. A student's grade on a very difficult English exam is 85.What can we say about the merits of the student's performance? Explain.

2. The mean of a set of z scores is always zero. Does this mean that half of a set of z scores will be negative and half positive? Explain.

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Basic Statistics: 1 a students grade on a very difficult english exam is
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