Son 1 There are four mineral water brands, A, B, C and D. The following table shows the mean levels for each variable, magnesium amount and potassium amount. Which is the right null hypothesis (Ho) if we want to test whether the mean potassium amount is the same for all the mineral water brands? D Variable Magnesium Amount Potassium Amount A H11 H21 Ltfen birini sein: 0 a. Ho: () = (10) Ob. Ho: (a) = (10) Mineral Water Brand B H12 1422 Oc Ho: P11 = P12 P13 P14 Od. Ho H21 = H22 = 23 = H24 Oe Ho: () = (2) 103 13 23 D H14 H24