The question says: A teacher allows the students to each \"throw out\" their low

Question

The question says:
A teacher allows the students to each "throw out" their lowest testscore in order to increase their overall grade. The original meanscore of 5 tests is 75.2. After the removal of the lowest test, themean score becomes 80.25. What is the score of the removedtest? The question says:
A teacher allows the students to each "throw out" their lowest testscore in order to increase their overall grade. The original meanscore of 5 tests is 75.2. After the removal of the lowest test, themean score becomes 80.25. What is the score of the removedtest?

Explanation / Answer

please rate - thanks The original mean for 5 exams was 75.2 so youhad     75.2 x 5 = 376 points after dropping the lowest score the means is 80.25 for 4 exams fora total of 80.25*4 which is 321 points 376-321=test score thrown out=55

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