(Answered) The institute for global ethics has data which relates its

Statistics

The Institute for Global Ethics has data which relates its Country Corruption Index (CCI) to the percentage growth of GDP in 118 countries. The regression line (best-fit line) obtained is

GDP growth = 0.74 - 3.46*CCI

Which of the following statements is true?

The correlation between GDP growth and CCI on the data set is positive but cannot be determined precisely from the information given
The correlation between GDP growth and CCI on the data set is negative but cannot be determined precisely from the information given
The correlation between GDP growth and CCI on the data set is 0.74
The correlation between GDP growth and CCI is 0.74/-3.46= -0.21387

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