For the countries in the Human Development data file on the text CD, in 4 countries a higher percentage of people used the Internet than used cell phones, while in 35 countries a higher percentage of people used cell phones than the Internet.
a. Show how you could use a nonparametric test to compare Internet use and cell phone use in the population of all countries. State the
(ii) Test statistic value, and
(iii) Find and interpret the P-value.
b. Is the analysis in part a relevant if the 39 countries in the data file are all the countries of interest to you rather than a random sample of countries? Explain.