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If the mean of 2, 9, x+6, 2x+3, 5, 10, 5 is 7, then the value of x is :
The mean of the following distribution is
Assertion (A): The arithmetic mean of the following given frequency distribution table is 13.81. Reason (R): Mean = ∑fx / ∑f
Assertion (A): The algebraic sum of the deviations of a frequency distribution from its mean is 0 Reason (R): Mode of a frequency distribution cannot be determined graphically.
Assertion (A): The mode of the following distribution is 52. Reason (R): The value of the observation which occurs most often is the mode.
If the mean of the following distribution is 2.6, then y = ?
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