Question

M17 Problem Set Score: 7.24/38 7/22 answered Question 12 Listed below are the costs (in dollars) of flights between two cities for different airlines. Use a 0.025 significance level to test the claim that there is no difference in cost between flights scheduled one day in advance and those scheduled 30 days in advance. Flight scheduled one day in advance 837 812 761 928 659 999 817 820 673 575 544 868 546 820 Flight scheduled 30 days in advance 469 378 693 452 377 476 495 409 436 340 560 695 691 470 Find the null and alternative hypothesis. HO Select an answer MacBook Pro

Answer 1

Question is answered below.

X-Y X Filight scheduled Plegw scheduled in Advance 30 days in advance One day 837 812 761 928. 659 999 817 + + + + + + + 469 378 E 693 452 377 a 476 495 409 436 340 560 695 69 + + 7 6 73 575 544 868 aber 546 820 + 470 + Hoi ni En n. & 2 Hi :

Date : Page No. : page No. Positive signs = 12 Negative signs Total signs = 14. Test statis lic x = Min of ( 1212) = 2. claim is not true. 2 p-value -0.00753 2=x-pn p-value 0.00 753<0.025 Supe p-value [0.008 Result is significant 2= 2.6726). Conclusion about null ? Reject Null hypothetis There is significant difference difference in cost between flight scheduled one advance and those scheduled 30 concluster about clain = 12-7 JI.S day in clays in advance