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Given a one independent variable linear equation that states cost in $K , and given the following information, calculate the coefficient of variation and determine it's meaning. n=8 E(Y-Y^) =6874 Y=314.375 If we used this equation, we could typically expect to be off by +/- 29.31% If we used this equation we could tpically expect to be off by +/- 10.77 % If we used this equation we could typically expect to be off by +/- 33.85 % If we used this equation we could typically expect to be off by +/- 9.32 %
The microstructure of an iron-carbon alloy consistsof proeutectoid ferrite and pearlite; the mass fractions of thesetwo microconstituents are 0.174 and 0.826, respectively. Determinethe concentration of carbon in this alloy.
Important information about Short essay, In managing the uncertainties of ethical issues in engineering, what are some questions that we may ask to limit some of the risk
Consider a box model for an air shed over a city that is 1 X 105 m on a side, with a height of 1200 m induced by a temperature inversion. Winds with no SO2 blow at 4 m/s agains one side of the box. SO2 is emitted in the box at the rate of 20 kg/s.
ACME supplies prepackaged steel framed and sheathed storage buildings in kit form. The standard column used is a steel hollow round tube with a wall thickness of 0.4 inches fixed at both ends.
A telephone wire 5 mm in diameter is suspended between telephone poles spaced 50 m apart. If the wind velocity is 100 km/h and the air is at 2 degrees C, 1 atm, determine the horizontal force (in N) the wire exerts on the poles.
If an additional 11ft lane is added (each direction) and all other factors stay the same, what will be the new level of service?
The decarburization of carbon from a steel with an overall composition Co = 0.3wt% carbon can be expressed by the equation: Cx= Co.erf(z). If the steel is decarburized in vacuum at 1000 C for one hour, calculate the carbon concentration in steps of 0..
A section of highway has a speed-flow relationship of the form "q = au^2 + bu" It is known that at capacity (which is 3100 veh/hr) the space mean speed of traffic is 28mi/hr.
What would the aperture have to be if there were two fractures of equal aperture. For your calculations you can assume that the rock matrix that contains the fracture(s) has zero hydraulic conductivity.
Estimate the power needed to overcome the aerodynamic drag of a person who runs at a rate of 100 yds in 10 s in still air. repeat the calculations if the race is run into a 20-mph headwind: a 20-mph tail wind.
An emergency drawdown structure for a reservoir consists of a 1,000 ft long, 1.0 ft (inner) diameter commercial steel pipeline with a wall thickness of 0.5 inches. A gate valve is located at the end of the pipe. If the valve is closed suddenly, deter..
On a certain highway a -6% grade meets a +2% grade at station 70 + 00, elevation 550.97 ft. An equal tangent vertical curve, 800 ft. long, is to be installed to connect these two grades.
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