Score: 0 of 1 pt 11.2.3-T Assigned Media Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 4 5 6 7 8 X 44.7 55.9 46.6 40.2 52.3 48.6 47.6 49.9 Y; 45.9 54.3 48.7 45.7 54.7 51.4 50.5 51.1 (a) Determine dj = X - Y for each pair of data. Observation 2 3 5 6 7 8 d (Type integers or decimals.) Enter your answer in the edit fields and then click Check Answer. parts remaining