Consider the following statements regarding “HDI”:

1.It ranks the countries based on their performance in the key areas of health, education and access to resources.

2.These rankings are based on a score between 0 to 1.

3.The closer a score is to one, the lesser the level of development.

4.The human development index and human poverty index are two important indices to measure human development used by the UNESCO

Which of the statements given above is/are incorrect?