Answer Happy

Suppose the mean price for used cars is $10,186. A manager of a Kansas City used car dealership reviewed a sample of 50 recent used car sales at the dealership in an attempt to determine whether the population mean price for used cars at this particular dealership differed from the national mean. The prices for the sample of 50 cars are shown in the file named Used Cars. 12,400 10,400 12,100 10,000 11,000 8,095 7,675 9,975 6,350 10,470 9,895 11,250 8,795 12,500 9,340 10,150 9,200 9,395 11,000 10,640 10,000 7,500 8,000 10,440 10,200 10,300 9,740 9,280 10,930 8,000 9,000 7,680 9,400 12,240 11,970 8,240 9,910 10,000 10,730 7,350 9,440 5,970 9,500 10,050 10,130 11,400 8,500 7,500 9,090 10,500 (a) Formulate the hypotheses that can be used to determine whether a difference exists in the mean price for used cars at the dealership H10,186 H₂10,166 10,186 10,166 H> 10,186 MH BỘ KH M-10,166 10,166 0 H#10,186 N,10,186 (b) What is the test statistic? (Round your answer to three decimal places) What is the p-value? (Round your answer to four decimal places) P-value