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see below the complete data set Country GNP Infant_Mortality Luxembourg 1 7 Norway 2 4 Singapore 3 1 United States 4 10 Ireland 5 9

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see below the complete data set

CountryGNPInfant_Mortality
Luxembourg17
Norway24
Singapore31
United States410
Ireland59
Switzerland65
Netherlands78
Austria86
Sweden92
Iceland103
 

42. FILE WB_Ranking. The accompanying data file shows the ranking of the richest countries, as measured by per capita GNP. In addition, it gives each country's rank with respect to infant mortality. A higher rank indicates a lower mortality rate. a. Specify the competing hypotheses to determine whether the Spearman rank correlation coefficient is different from zero. b. Calculate and interpret the Spearman rank correlation coefficient rs. c. At the 5% significance level, are GNP and the infant mortality rate correlated? Assume the normal distribution approximation.

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