Question: For the data file, go to the R and type in >install.packages(alr4). Give me the R and the step by the step solution. 6.4 (Data

For the data file, go to the R and type in >install.packages(alr4).

Give me the R and the step by the step solution.

6.4 (Data file: UN11) With the UN data, consider testing NH: lifeExpE log (ppgdp)+ group:log (ppgdp) AH: lifeExpE-~ group+log (ppgdp)+group:log (ppgdp) The AH model is the most general model given at (6.10), but the NH is was not given previously 6.4.1 Explain in a sentence or two the meaning of the NH model 6.4.2 Perform the test and summarize results

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