Read the following statements about methods of measuring development and select the correct answer from the codes given below:
1.The summation of ranks method is best suited to measure development levels when the data used are highly skewed.
2.The summation of ranks method is quite simple and easy to handle.
3.The Z-score method is the most robust and reliable among all the methods used to measure levels of development.
4.The use of Principal Component Analysis should be avoided if the inter-correlation among different components of development is weak or doubtful.
A1, 2 and 3
B1 and 2
C1, 2 and 4
D2 and 4
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