Fertility rates for the SADC countries represent a sample of world fertility rates (population). (i) Find the sample mean and standard deviation of the fertility rates. (ii) Find the population mean and standard deviation of the fertility rates. (iii) Find the range for the fertilty rates. (iv) Find the median values for the fertilty rates. (v) Find the interquartile range for the fertilty rates. Country GDP per capita in US dollars (2015) Fertility Rate (2015)

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.