2. What is random sampling?   6.Four airplanes from different airlines have crashed in the past two weeks. This terrfies Megan, who must travel on a plane? Her travel agent claims that the probability of a plane crash is minuscule. who is correct and why?   10.What is the difference between using both tails versus one tail of the sampling distribution in terms of (a) the region of rejection? (b) the critical value?   14.Why do we retain that a sample represents the underlying raw score if the population if the sample mean is not in the region of rejection?

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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.