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The correct answer is C
For frequency distribution presentation , which option is wrong.
A random sample of size 225 is drawn from the population of mean μ and standard deviation σ. The sample mean follows the distribution with mean 100 a...
The incomes of the employees in a state is assumed to be normally distributed with mean ₹15,000 and variance ₹900. The median of the distribution o...
Two data set of size 9 and 6 have standard deviation 3 and 4 respectively and arithmetic means 3 and 3 respectively. The standard deviation of combined...
Which of the following is a sources of primary data?
Which of the following statements is INCORRECT?
For the recorded observation, the coefficient of variation is 0.2 and the variance is 16. The arithmetic mean is:
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:
