9. Suppose a regional market analyst believes the median repair cost estimates for Garage 1 is below that for Garage 2 (or the probability distribution of repair cost estimates for Garage 1 is shifted to the left of the probability of repair cost estimates for Garage 2). Use the Wilcoxon Signed Rank Test at the 0.05 level on the observations below to test this claim? Repair Repair Cost Estimate Garage 2 Cost Estimate Sample of Cars Garage 1 $ 710 $ 900 $ 1100 $ 890 $ 990 $ 910 $ 1030 $ 790 $ 1010 $ 1220 $ 880 $ 1040 $ 980 $ 1170 Car 1 Car 2 Car 3 Car 4 Car 5 Car 6 Car 7

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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.