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The verb "believed" is used in the passive voice to indicate that there is a belief or understanding held by others.
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 second and fourth moment about mean for a distribution are 4 and 18 respectively. What is the value of Pearson's coefficient of skewness β ₂ ? ...
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.
X: 0 ...
Two data sets of sizes 6 and 9 have standard deviation 3 and 4, respectively, and arithmetic means 4 and 4, respectively. The standard deviation of com...
