A study is designed to check if difference in response to various treatment in patients. The outcome is patients' self reported effect of treatment. Is there a significant difference in effect of treatment? Run at 5% level of significance. Treatment S.Worse NoEffect S.Improv Total   1 22 14 14 50   2 14 15 21 50   3 9 12 29 50

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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.