A student's grade on an examination was transformed to a z value which is negative. Therefore,...
A student's grade on an examination was transformed to a z value which is negative. Therefore, we know that he scored
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higher than 16% of the class |
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lower than at least 45% of the class |
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higher than 45% of the class |
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above the mean but below the median |
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above the 3rd quartile |
Homework Answers
The answer is
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lower than at least 45% of the class |
Since his z value is negative therefore we can be sure that he has scored less than the mean value. So all the higher options and the above options are eliminated, leaving only the possibility that he has scored lower than 45% of the class.
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