A nuclear power facility produces a vast amount of heat,

Chapter , Problem 8.26

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A nuclear power facility produces a vast amount of heat, which is usually discharged into aquatic systems. This heat raises the temperature of the aquatic system, resulting in a greater concentration of chlorophyll a, which in turn extends the growing season. To study this effect, water samples were collected monthly at 3 stations for a period of 12 months. Station A is located closest to a potential heated water discharge, station C is located farthest away from the discharge, and station B is located halfway between stations A and C. The concentrations of chlorophyll a were recorded. Perform an analysis of variance and test the hypothesis, at the 0.05 level of significance, that there is no difference in the mean concentrations of chlorophyll a at the 3 stations. Station Month ABC January February March April May June July August September October November December 9.867 14.035 10.700 13.853 7.067 11.670 7.357 3.358 4.210 3.630 2.953 2.640 3.723 8.416 20.723 9.168 4.778 9.145 8.463 4.086 4.233 2.320 3.843 3.610 4.410 11.100 4.470 8.010 34.080 8.990 3.350 4.500 6.830 5.800 3.480 3.020

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