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प्रश्न
The mean of a data is defined as ______.
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उत्तर
The mean of a data is defined as sum of all observations by the number of observations.
Explanation:
The average or Arithmetic Mean or mean of a given data is defined as sum of all observations by the number of observations.
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संबंधित प्रश्न
Mean of 100 observations is 40. The 9th observation is 30. If this is replaced by 70 keeping all other observations same, find the new mean.
The number of members in the 40 families in Bhilar are as follows:
1, 6, 5, 4, 3, 2, 7, 2, 3, 4, 5, 6, 4, 6, 2, 3, 2, 1, 4, 5, 6, 7, 3, 4, 5, 2, 4, 3, 2, 3, 5, 5, 4, 6, 2, 3, 5, 6, 4, 2. Prepare a frequency table and find the mean of members of 40 families.
The mean of a set of seven numbers is 81. If one of the numbers is discarded, the mean of the remaining numbers is 78. The value of discarded number is
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The mean of the square of first 11 natural numbers is
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_______________ is a representative value of the entire data
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In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of the girls?
