To test HO: u =18 against Ha:>18 using data from a random sample of size n=9 taken from a normal distribution with o=4.5. If the rejection region is X bar > 21, determine: (a) the probability of type 1 errors ( a ) (b) the probability of type 2 error ( B) when u=22

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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.