Abotanist planted 15 sunflower seeds randomly assigned to pots receiving one of three different fertilizer treatments. twelve seeds germinated and plant height (in cm) was recorded at two weeks. are there any significant differences among treatments? analyze differences in treatment means using a non-parametric method. repeat your analysis with a parametric anova and compare results.

Athin walled concentric tube exchanger is used to cool engine oil from 160°c to 60°c with water that is available at 25°c acting as a coolant. the oil and water flow rates are each at 2 kg/s, and the diameter of the inner tube is 0.5 m and the corresponding value of the overall heat transfer coefficient is 250 w/m2. oc. how long must the heat exchanger be to accomplish the desired cooling? cpwater=4.187 kj/kg-candcpengine el=2.035 kj/kg·°c, oil . 120]