|
Assume that the following relationship holds:
Maintenance Costs = (v * Machine Hours) + f
REQUIRED
Estimate the values of v and f and the cost equation, using,
1. the High-Low Method, and
2. the Linear Regression method.
Note, to use the linear regression method, you MUST use the Microsoft Excel program. Please follow the instructions on P.329 of the textbook; DIRECTIONS FOR ADD-Ins: Data Analysis Toolpak.
Make sure to report
1. the values of v and f;
2. a scatter plot of the data points, and
3. the adjusted R-square; explain what the adjusted R-square means.
4. The cost equation in the form of Y = vx + f, substituting the values for v and f from the regression output.
YOUR SUBMISSION MUST BE IN EXCEL. PLEASE INCLUDE AN EXCEL ATTACHMENT OR HYPERLINK! ONE WORKBOOK, WITH A WORKSHEET FOR EACH ANALYSIS (i.e., High-Low Method and Regression Analysis respectively).
In: Operations Management
4.2.2 What is an RC Circuit?
Recall that the capacitance is defined as the proportionality constant between the total charge accumulated by a capacitor and the voltage difference across the circuit
Q = C△V (4.2)
In this equation, the charge Q is expressed in Coulomb (C), the voltage △V, in volts (V) and the capacitance C in farads (F).
In this lab you will study both the charging and discharging process of an RC circuit. During the charging process, an electrical EMF source accumulates charges on each side of the parallel plate capacitor. During the discharging process, the capacitor releases all its charges into the circuit (which now does not contain the battery). Capacitors charge and discharge exponentially in time. During the discharge of a capacitor, the instantaneous voltage △Vc between the ends of the capacitor also drops and is given by △Vс = △Vmax*e^(-t/τ) (4.3) where △Vmax is the maximum voltage across the capacitor, i.e. the voltage to which thecapacitor was initially charged, t is the time and τ is the time constant given by τ= Req*Ceq (4.4) where Req and Ceq are, respectively, the equivalent resistance and capacitance to which we can reduce the circuit. Although the theoretical discharge time is in nite, in practice we consider that the discharge is over when the voltage at the bounds of the capacitor is at 1% of its maximal value.
Answer the following questions in the Results section: Assuming the voltage, when completely charged, is set to V₀ = 1 and by considering the variables τ for time constant and t for time, what are the equations for of charging and discharging? Support your answer by physical arguments
In: Physics
Programming Language C++
Task 1: Write a program to calculate the volume of various containers. A base class, Cylinder, will be created, with its derived classes, also called child classes or sub-classes.
First, create a parent class, Cylinder. Create a constant for pi since you will need this for any non-square containers. Use protected for the members. Finally, create a public function that sets the volume.
// The formula is: V = pi * (r^2) * h
Task 2: Create a derived, or child class for Cylinder, that is, a Cone class. The same function, with the same parameters, is used. However, the formula is different for a cone.
// The formula is: V = (1/3) * pi * (r^2) * h
Task 3: Test your classes in the main function by creating an instance of Cone and an instance of Cylinder. In each case, call the set_volume function, passing the same parameters.
Task 4: Create a derived class for Cone called PartialCone. Add a second radius variable with scope specific to this class (because the top and bottom radii of a partial cone are different). Redefine the set_volume function.
The formula for the volume of a partial/truncated cone is:
Task 5:
In: Computer Science
Write a program in JAVA to create the move set of a Pokémon, and save that move set to a file. This program should do the following:
Ask for the pokemon’s name.
Ask for the name, min damage, and max damage of 4 different moves.
Write the move set data into a file with the pokemon’s name as the filename.
The format of the output file is up to you, but keep it as simple as possible
In: Computer Science
1. Give 3 examples of Antibiotics from Microorganisms?
(Name of Antibiotic-Microorganisms Source)
2. Give 3 examples of Dairy Products from Microorganisms?
(Name of Dairy Products-Microorganisms Source)
3. Give 3 examples Alcoholic Beverages from Microorganisms?
(Name of Alcoholic Beverages-Microorganisms Source)
Explain:
Microbiology is Paramount to Human Society?
In: Nursing
Pick 5 business
Each of one need:
1. Explain their revenue stream (type)
2. Explain when the revenue would be recognized ("earned") under the accrual method
3.Will there be a different gross and net sales?
4.Name 1 Cogs, if applicable
5.Name 1 variable operation expenses
6.Name 1 fixed operating expenses
In: Finance
In: Computer Science
In C,
1) Create variables for:
your first and last name
total round trip to school and home (assuming you don't live on campus - make it your hometown).
cost of gas
2) Create a program that will:
output your first name and your total miles driven for the week.
output your last name with the total costs per week
In: Computer Science
From the following mySql query create a function that returns a nth value of a table:
SELECT name, (SUM(price * quantity)) AS TotalPrice
FROM Items NATURAL JOIN Inventory
GROUP BY name
ORDER BY (TotalPrice) DESC
LIMIT 1, OFFSET 1;
Shema:
Inventory(name: String,item:String,quantity:integer)
Items(item: String, brand: String, price:double)
In: Computer Science
A study compared three display panels used by air traffic controllers. Each display panel was tested for four different simulated emergency conditions. Twenty-four highly trained air traffic controllers were used in the study. Two controllers were randomly assigned to each display panel-emergency condition combination. The time (in seconds) required to stabilize the emergency condition was recorded. The following table gives the resulting data and the MINITAB output of a two-way ANOVA of the data.
| Emergency Condition | ||||
| Display Panel | 1 | 2 | 3 | 4 |
| A | 20 | 26 | 33 | 11 |
| 20 | 25 | 35 | 11 | |
| B | 15 | 20 | 29 | 12 |
| 10 | 19 | 30 | 9 | |
| C | 22 | 30 | 35 | 10 |
| 23 | 29 | 36 | 16 | |
| Two-way ANOVA: Time versus Panel, Condition | |||||
| Source | DF | SS | MS | F | P |
| Panel | 2 | 280.583 | 140.292 | 43.73 | .0000 |
| Condition | 3 | 1,427.46 | 475.819 | 148.31 | .0000 |
| Interaction | 6 | 20.42 | 3.403 | 1.06 | .4361 |
| Error | 12 | 38.50 | 3.208 | ||
| Total | 23 | 1,766.96 | |||
| Tabulated statistics: Panel, Condition | |||||
| Rows: | Panel | Columns: | Condition | ||
| 1 | 2 | 3 | 4 | All | |
| A | 17.00 | 25.50 | 34.00 | 11.50 | 22.00 |
| B | 12.50 | 19.50 | 29.50 | 9.50 | 17.75 |
| C | 22.50 | 29.50 | 35.50 | 17.00 | 26.13 |
| All | 17.67 | 24.83 | 33.00 | 12.67 | 21.96 |
Figure 12.12
(a) Interpret the interaction plot in the above table. Then test for interaction with α = .05.
| Panel B requires (Click to select) more time less time to stabilize the emergency condition. | |
| F(int)= 1.06, p-value= .436;; (Click to select) cannot can reject H0, no interaction exists. |
(b) Test the significance of display panel effects with α = .05.
F = 43.73, p-value = .0000; (Click to select) do not reject reject H0
(c) Test the significance of emergency condition effects with α = .05.
F = 148.31, p-value = .0000; (Click to select) do not reject reject H0
(d) Make pairwise comparisons of display panels A, B , and C by using Tukey simultaneous 95 percent confidence intervals. (Round your answers to 2 decimal places. Negative amounts should be indicated by a minus sign.)
| Tukey q.05 = , MSE = 3.208 | |
| uA – uB: | [ , ] |
| uA – uC: | [ , ] |
| uB – uC: | [ , ] |
(e) Make pairwise comparisons of emergency conditions 1, 2, 3, and 4 by using Tukey simultaneous 95 percent confidence intervals. (Round your answers to 2 decimal places. Negative amounts should be indicated by a minus sign.)
| u1 – u2: | [ , ] | |
| u1 – u3: | [ , ] | |
| u1 – u4: | [ , ] | |
| u2 – u3: | [ , ] | |
| u2 – u4: | [ , ] | |
| u3 – u4: | [ , ] | |
(f) Which display panel minimizes the time required to stabilize an emergency condition? Does your answer depend on the emergency condition? Why?
|
(Click to select) Panel
A Panel C Panel
B minimizes the time required to stabilize an emergency
condition. (Click to select) No Yes , there is (Click to select) no some interaction. |
(g) Calculate a 95 percent (individual) confidence interval for the mean time required to stabilize emergency condition 4 using display panel B. (Round your answers to 2 decimal places.)
Confidence interval [ , ]
In: Statistics and Probability