Two Critics Rate The Service At Six Award-Winning

Two critics rate the service at six award-winning restaurants on a continuous 0 to 10 scale. Their rankings are shown in the table below. Restaurant 1 2 3 4 5 6Critic 1: 6. 1 5. 2 8. 9 7. 4 4. 3 9. 7Critic 2: 7. 3 5. 5 9. 1 7. 0 5. 1 9. 8a)Is this paired or unpaired data?b) Compute a 95% confidence interval for the mean difference in rating. Show all yourworking. c) Is there a difference between the critics’ ratings, allowing for some randomvariation?Answer this question using a parametric hypothesis test, and compareyour result to the confidence interval from part b. d) Use a nonparametric hypothesis test to further investigate whether there is adifference between the critics’ rankings. e) Is the parametric or non-parametric test more appropriate here?

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