Any score in excess of 650 is considered excellent with 700 being the benchmark for Outstanding. 732 and above is the Master rating.
500-650 is above average a receives a Good rating
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The absolute value of the standard score becomes smaller.
standard score
A z-score requires the mean and standard deviation (or standard error). There is, therefore, not enough information to answer the question.
78
Yes.z = (raw score - mean)/standard error.Since the standard error is positive, z < 0 => (raw score - mean) < 0 => raw score < mean.