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A new motorcycle is being developed to meet new gas mileage standards recently passed by the federal government. An engineer tested three model designs by randomly assigning the motorcycles in a blind study (the riders recorded the mileage but did not know the design of the motorcycle, only its code). The data in miles per gallon (MPG) for the three designs is listed below: X-1 B-1 Z-1 45 55 54 62 55 52 50 54 41 65 44 35 62 52 38 50 69 41 50 58 51 58 45 44 Using StatCrunch, determine the means for the three groups and compute the sums of squares, degrees of freedom, and mean squares for these data. What are the hypotheses to be tested here? What is the value of F? Using an alpha of 0.05, is the F statistic significant? Why? Copy and Paste your work from StatCrunch into your Word document submission for full credit.
a simple steam power system has a turbine inlet state of 6.0 mpa and 540 0c and an exhaust pressure 0.008 mpa. the
an ideal gas undergoes a two-step process. beginning at state 1 it is pressurized at constant volume to state 2. then
An adiabatic compressor is used to bring saturated water vapor at a pressure of 103 lbf/in^2 up to 1000 lbf/in^2 , where the actual exit temperature is 1000 F degree. Find the compressor efficiency and the entropy generation. is there an improvement ..
a triangular access port must be provided in the side of a form containing liquid concrete. determine the resultant
liquid oxygen is stored in a thin-walled spherical container 0.8 m in diameter which is enclosed within a second
a 20kg cylinder with radius of gyration 0.602m slips on a surface 20 degrees to the horizontal. the cylinder rotates
A piston-cylinder device contains 0.005 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 600 kPa. Heat is transferred at constant pressure until the temperature reaches 200°C.
A gas mixture exists composed of 45% O2, 35% CO2 and 20% Ar on a molar basis. The pressure of the gas is 1 atm and the temperature is 50°F.
the african elephant has developed the pinna or external ear that functions as a radiator-convector. the pinna can be
10 kg of gaseous oxygen is compressed in a piston-cylinder device from an initial state of .8 m3kg to a final state of
A fuel consisting of 20% ethanol and 80% isooctane on a molar basis is burned with air in an engine. Write the balanced chemical reaction when this reaction is stoichiometric. What is the air-fuel ratio?
nitrogen gas is contained in a rigid 1-m tank initially at 10 bar 300k. heat transfer to the contents of the tank
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