Question
A new species of forest-dwelling horned frog,
‘Xenophrys apatani,’ was recently recorded in which state?Solution
The discovery of Xenophrys apatani in Arunachal Pradesh highlights the state's rich biodiversity and the importance of conservation efforts.
The arithmetic mean of the following frequency distribution of number of members in family in the society
               X:  ...
Which of the following statements is INCORRECT?
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:
The Pearson's correlation coefficient between following observation
X:           1             2          �...
If xi | fi , i = 1,2,...n is a frequency distribution with standard deviation 15 and mean 30, the coefficient of variation will be equal to:
Which one is not basis of classification of data.
The variance of degenerate random variable is:
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