I need help on these 2 stats questions:

A professor in the school of business at a certain university wants to investigate the claim that the prices of new textbooks in the campus store are higher than a competing national online bookstore. The professor randomly chooses required texts for 12 business school courses. The data is given in the table below. Book Campus Store Online Store A 67.52 68.24 T 101.99 98.24 ? 176.21 173.54 T 148.05 147.96 I 113.58 107.96 F 186.86 188.1 Y 34.74 31.23 T 118.19 117.68 f 172.97 171.71 I 198.96 197.09 K 90.49 87.04 T 171.98 171.11 Download .csv file (a) Let X A denote the price of books at the campus store, and X B be the price of books at the online store. also let X D = X A X 3. Choose the correct statistical hypotheses. KT.A.H0:pD= 0, HAzpD0 A E- H0 : \"campus 2 \"online, HA : \"campus outing .5.G.H0:;I,D>0, HAzpD