Y The data on the right are birth rate and income ratio for a sample of 12 developing countries. Brazil 30 7.6 Colombia 25 9.3 (a) Calculate the R value for the regression of the birth rate on the...

Birth rate=Y Income ratio= X

Extracted text: Y The data on the right are birth rate and income ratio for a sample of 12 developing countries. Brazil 30 7.6 Colombia 25 9.3 (a) Calculate the R value for the regression of the birth rate on the income ratio. (b) Is the part (a) result the same as the square of correlation coefficient? Costa Rica 34 6.4 India 33 4.9 Mexico 38 8.4 Peru 28 3.7 Philippines Senegal South Korea 28 5.8 30 3.8 32 4.0 Sri Lanka 25 3.0 Taiwan 38 4.1 Thailand 27 3.5 (a) R =D (Round the final answer to three decimal places as needed. Round all intermediate values to three decimal places as needed.) (b) Is the part (a) result the same as the square of correlation coefficient? Yes O No