2-4.Concider the sales in best Buy store appliances to be representative sample of other years. Use a= 0.10 to test the claim that choice of an extended warranty is independent of the model sold, given the following # of items were sold: Model dishwasher sold Least-expensive Middle-cost Most-Expensive With Extended 64 42 20 warranty Without extended 120 58 8 warranty

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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.