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One mole of any gas at standard temperature and pressure contains a volume of 22.4 litres. This is also known as Avagadro’s law. One mole of nitrogen gas occupies 22.4 litres of space and one mole of CO2 gas also occupies 22.4 litres of space. Therefore, 2 moles of nitrogen gas would occupy 44.8 litres of space Hence, option A is correct.
Approximately, the coefficient of variation for the given data where Pearson's second measure of skewness = 0.42, arithmetic mean- 86 and median 80, is:
Marshall-Edgeworth Index number:
For the distribution with unknown θ
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For the frequency distribution of income (in lakh) of the employees in factory
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A Poisson distribution has a double mode at x = 1 and x = 2. The probability for x = 1 or for x = 2 of these two values 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:
Statistics is not applicable to ________ observation.
For the following frequency distribution
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