mayA restaurant surveys its customers to obtain ratings for two of its delivery services. Each customer is asked to rate their delivery on a set of factors including communication, friendliness, timeliness, and cost. An overall scoresummarizes the rating with 100 being the highest score. Sample data for Delivery Service A and Delivery Service B is provided below.ODelivery Service A71 = 25x₁ = = 79= 12O$₁ =Hoi thi - k2 < 0Hai H₁ - H₂> 0о нон-накоH₂: μ₁ −μ₂ = 0(a) Formulate the null and alternative hypotheses to test whether there is a difference between the population mean customer satisfaction scores for the two delivery services. (Let μ₁ = population mean satisfaction score forDelivery Service A and μ₂ population mean satisfaction score for Delivery Service B.)=Hoi khi khg 2 0H₂: H₁-H₂ <0Hỏi khi kh2 #0H₂: μ₁ −μ₂ = 0Delivery Service Bo Hoi thi - ty =0Ha: H1 - H2 + 072 = 30x₂ = 72$₂= 13.5(b) Conduct the hypothesis test.Find the value of the test statistic. (Round your answer to two decimal places.)Find the p-value. (Round your answer to four decimal places.)p-value =At a 0.05 level of significance what is your conclusion?Do not reject Ho. There is insufficient evidence to conclude that the population mean satisfaction scores differ for the two delivery services.Reject Ho. There is sufficient evidence to conclude that the population mean satisfaction scores differ for the two delivery services.Reject Ho. There is insufficient evidence to conclude that the population mean satisfaction scores differ for the two delivery services..Do not Reject Ho. There is sufficient evidence to conclude that the population mean satisfaction scores differ for the two delivery services.(c) Provide a 95% confidence interval for the difference between the population mean customer satisfaction scores for the two delivery services. (Round your answers to two decimal places.)to

The given sample information is as follows:Delivery Service ADelivery Service BSample size25 (=n1)30…

Answered: A restaurant surveys its customers to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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