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415 - 13² = 246 246 + 11² = 367 367 - 9² = 286 286 + 7² = 335 335 - 5² = 310
The grouped data for the observations are
Class: 1-3 3-5 5-7
If mean and mode of the distribution is 32 and 21, then the distribution:
The purchasing power of money is equal to:
The square of normal variate with mean 0 and variance 1 follows:
Which of the following satisfies the time and factor reversal test?
At a round table, n persons are seated on n chairs. The probability that two friends from same college are sitting next to each other, is:
For the frequency distribution of X number of grammatical mistakes per line is as follows.
