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Lieutenant General Khalid Zia has been appointed as the new military secretary of the Pakistan Army, after Lt Gen Sarfraz Ali who was killed on 2nd August in a helicopter crash in Balochistan province.
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