Central Tendency | Business Statistics | Class 03
Автор: BBA WORLD 365
Загружено: 2024-04-03
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Central Tendency | Business Statistics | Class 03
Rasel Bhuiyan
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The mean of 200 was 50, Later on it was found that two observations were wrongly read as 92 and 8 instead of 192 and 88 respectively. Find out the correct mean.
The average marks of 39 students of a class are 50. The marks obtained by 40th student are 39 more than the average marks of all the 40 students. Find the mean marks of all the 40 students.
The harmonic mean is defined as the reciprocal of the arithmetic mean of the reciprocals of the individual observations.
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