You may need to use the appropriate technology to answer this question. A travel association reported the domestic airfare (in dollars) for business travel for the current year and the previous year, Below is a sample of 12 flights with their domestic airfares shown for both years. Current Previous Year Year 345 303 526 463 420 450 216 206 285 275 405 432 635 585 710 650 605 545 517 547 570 508 610 580 (a) Formulate the hypotheses and test for a significant increase in the mean domestic airfare for business travel for the one-year period. :H 20 HH CO Calculate the test statistic. (Use current year airfare - previous year airfare. Round your answer to three decimal places.) Calculate the p-value. (Round your answer to four decimal places.) p-value = Using a 0.05 level of significance, what is your conclusion? O Reject Ho. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. Do not reject H.. We can conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. Do not reject Ho. We cannot conclude that there has been a significant increase in the mean do estic airfare for business travel for the one-year period. Reject H. . We cannot conclude that there has been a significant increase in the mean domestic airfare for business travel for the one-year period. (b) What is the sample mean domestic airfare (in dollars) for business travel for each year? urrent previous (c) What is the percentage change in mean airfare for the one-year period? Percentage change is given as ((X2 - x, )/x, )* 100 where x, is in the Initial value (in this case, the previous year). (Round your answer to one decimal place, do not Include the % symbol in your answer.) %