The following table is the result of a survey regarding age group and whether or not a person has visited a physician in the past year. The results are in the table below.      VISITED PHYSICIAN AGE GROUP Yes  No  Total Young           22    93   115 Old               37    67   104 Total             59   160   219 a) What percentage of people were young? b) What percentage of old people did not visit a physician in the past year?

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A:

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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.