lest a claim about a population mean based on a sample

Last updated: 4/8/2024

lest a claim about a population mean based on a sample Project Use a 0 05 level of significance to identify which automobile tire manufacturer should be awarded the New Jersey State Police tire contract The New Jersey State Police Department is interested in tires for its squad cars These tires must satisfy the specification that the average Mean life of the tire must be at least 80 000 miles and the standard deviation must be at most 250 miles 5 3217 Six different tire makers Tire Tire Tire Tire Tire and Tire sent the automaker several tires to be tested The identities of the tire manufacturers remain anonymous to guarantee a non prejudicial test The tires were placed on the drive wheels of various squad cars and driven until the tires were worn down The following data shows the mileage the tires traveled before they had to be replaced Data price miles Tire 178 99 79 920 80 100 79 800 79 600 Tire 182 95 79 900 80 100 80 200 79 950 79 975 80 000 Tire 186 99 79 950 80 250 79 975 80 300 79 990 80 150 80 225 79 900 Tire 192 99 78 600 79 700 79 650 80 750 Tire 196 95 77 480 80 300 76 480 76 790 78 990 80 061 Tire 204 99 79 125 81 250 78 975 81 200 80 990 81 000 80 225 80 600 As the consultant to the New Jersey State Police determine which tire manufacturer if any gets the contract Write a report type preferred stating your recommendation for the awarding of this lucrative contract Your report must contain the following points I Hypothesis testing Show all steps for each hypothesis test Use single sample hypothesis testing following the format