Question
Which of the following statements about the Silent
Valley Movement are correct? 1. It aimed to protect the Silent Valley region from a hydroelectric project. 2. The movement was successful in its conservation efforts. 3. It was initiated in the early 1980s. 4. Led by the government as a part of its environmental conservation initiative.ÂSolution
The Silent Valley Movement was aimed at protecting the Silent Valley region in Kerala from being flooded by a hydroelectric project. The movement began in the late 1970s and was successful in its efforts, leading to the area being declared a National Park. The movement was not led by the government but rather by local activists and scientists.
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: