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Brazilian microbiologist Mariangela Hungria was awarded for her work in biological nitrogen fixation, improving yields and sustainability.
With reference to index numbers, which of the following statements is true?
For the data set
X: 1 2 3 4 ...
If Laspeyres price index of a commodity is 208 and Passche's price index of the same commodity is 52, the value of Fisher index number will be:
For an experiment we have the following data set: n = 4, ∑ X = a,∑ Y = 10,∑ XY = 21,∑ X2 = 30,∑ Y2 = 30 the correlati...
The mode of the given data set is 12. The sum of the frequency on both sides of mode are 16. The skewness:
For the following frequency distribution
Class : 3-5 5-7 7-9 ...
X and Y are independent normal variables with mean 50 and 80 respectively and standard deviation as 4 and 3 respectively. What is the distribution o...
The second quartile for the following data 38, 39, 40, 52, 59, 67, 73, 77, 149, 248 is:
The probability of getting a total of 7 on two dice thrown together is:
The standard error of the given data 15, 5, 12, 10, 20, 4 is
