The scores she had on her five tests according to the task content are; 78, 82.7, 85.4, 87.7, 90.
What were the scores on her five tests?
It follows from the task content that the range of her scores was 12 and mode is 90.
Hence, her lowest score must be; 90-12 = 78.
The other two scores apart from the median are therefore; (78+85.4)/2 = 82.7 and (85.4+90)/2 = 87.7.
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