Using the data from Problem 7.1, calculate the rank correlation coefficient between the variables and test its significance. How does it compare with the ordinary correlation coefficient?

Problem 7.1

The other data which Todaro might have used to analyse the birth rate were:    

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Country Birth rate GNP Growth Income ratio Bangladesh 47 140 0.3 2.3 Tanzania 47 280 1.9 3.2 Sierra Leone 46 320 0.4 3.3 Sudan 47 380 -0.3 3.9 Kenya 55 420 2.9 6.8 Indonesia 35 530 4.1 3.4 Panama 30 1910 3.1 8.6 Chile 25 2560 0.7 3.8 Venezuela 35 4220 2.4 5.2 Turkey Malaysia Nepal Malawi 33 1540 3.5 4.9 31 1840 4.3 5.0 44 150 0.0 4.7 56 200 2.7 2.4 Argentina 20 2560 1.9 3.6