3(12 complete) 11.2.4-T Assume that the differences are normally distributed. Co

Question

3(12 complete) 11.2.4-T Assume that the differences are normally distributed. Complete parts (a) through (d) below. Observation 1 2 3 6 xi 41.7 52.5 41.9 39.6 44.6 50.8 53.7 45.7 46.2 53.2 46.4 45.1 46.5 50.6 54.3 45.4 (a) Determine di =Xi-Yi for each pair of data. Obcervation1 23 4 5 -4.57-4.5-5.5-1.9 7 6 3 (Type integers or decimals.) (b) Compute d and s d = -2.150 (Round to three decimal places as needed.) sd 2.341 (Round to three decimal places as needed.) (c) Test if 0 at the = 0.05 level of significance.

Explanation / Answer

Test statistic = (D bar - mean) / (sd / sqrt(n))

= (-2.15 - 0) / (2.341 / sqrt(8))

= - 2.6

P-value = 0.018

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