Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 5 6 7 8 40.5 43.8 43.7 46.7 45.0 43.7 49.5 Y 45.4 48.1 48.2 47.9 47.4 47.7 45.8 52.1 (a) Determine dj = X; - Y, for each pair of data. Observation 5 6 7 8 (Type integers or decimals.) (b) Compute d and sa. d= (Round to three decimal places as needed.) Sa =(Round to three decimal places as needed.) (c) Test if Ha 0 H1 : Hd = 0 H1: Hd 0 P-value = (Round to three decimal places as needed,) Click to select your answer(s)