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- The probability density function of a random variable X is f(x) = ( π /10) sin ( π x /5) ; 0 ≤ x ≤ 5. The first quartile of X is:
- If A,B and C are arbitrary events, then P(A ∩ B ∩ C) equals to:
- For frequency distribution presentation , which option is wrong.
- If r and R denote correlation and multiple correlation coefficient for the data set for X1, X2 and X3 . Which option is correct?
- Which of the following approaches does multiplicative model have for the component of Time series Secular trend (7). Seasonal variation (S), Cyclical fluct...
- If price-quantity are related for base year (0) and current year (1) are ∑ : p0q0 = 260,∑ : p1q0 = 395,∑ : p0q1 = 264,∑ : p1q1 = 422, then Marshall Edgewor...
- Marshall-Edgeworth Index number:
- For the frequency distribution of income (in lakh) of the employees in factory Class 1.5-2.5 2.5-3.5 ...
- The mode (correct to two decimal places) for the given data is:
- 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 and sta...
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