Mathematics
Medium
Question
The mean marks of 30 students in a class is 58.5. Later on it was found that 75 was wrongly recorded as 57. Find the correct them.
A
57.4
B
57.5
C
58.9
D
59.1
✓ Official correct answer
Community credibility
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A
57.4
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B
57.5
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C
58.9
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D
59.1
No member explanations yet for this option.