This table shows the fertility rate (children born per woman) in 191 world nations, (a) Fr...

This table shows the fertility rate (children born per woman) in 191 world nations, (a) From the grouped data, calculate the mean, standard deviation, and coefficient of variation for each year. Show your calculations clearly in a worksheet, (b) Write a concise comparison of central tendency and dispersion for fertility rates in the two years, (c) What additional information would you have gained by having the raw data? (d) What benefit arises from having only a summary table?