In a study, Group 1 was found to have an average of 53 and a population standard deviation of 13 out of a random sample of 25. Group 2 was found to have an average of 42 and a population standard deviation of 9 out of a random sample of 16. With a 99% confidence interval, what is the smaller value?

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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.