An experimental evaporation pan and a standard evaporation pan are tested over ten successive days. The two types are set up side-by-side so that atmospheric conditions should be the same. A coin is tossed to decide which evaporation pan is on the lefthand side and which on the righthand side on any particular day. The measured daily evaporations are as follows: Pair or Day No. 2 3 4 5 6 7 8 9 10 Pan A 9.1 4.6 14.0 16.9 11.4 10.7 27.4 22.8 42.8 29.4 Pan B 6.7 3.1 13.8 16.6 12.3 |6.5 24.2 20.1 41.9 27.7 d = A-B 2.4 1.5 0.2 0.3 -0.9 4.2 3.2 2.7 0.9 1.7 Does the experimental Pan A give significantly higher evaporation than the standard Pan B at the 1% level of significance