The main post office in Tampa, Florida, is due to be replaced with a much larger, more modern facility that can handle the tremendousflow of mail that has followed the city's growth since 1970. Since all mail, incoming or outgoing, travels from the seven regional postoffices in Tampa through the main post office, its site selection can mean a big difference in overall delivery and movement efficiency.Using the data in the following table, help Postmaster Purushottam Meena calculate the center of gravity location for the proposed newfacility.Regional Post office Map Coordinates (x, y)Ybor CityDavis IslandDale-MabryPalma CelaBayshoreTemple TerraceHyde Park(11,6)(17,18)(15,6)(7,11)(2,11)(4,18)(3,12)The center of gravity is:x-coordinate= (round your response to two decimal places).y-coordinate= (round your response to two decimal places).D₂Truck Round Trips per Day11111014131118

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Answered: The main post office in Tampa, Florida,…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The table shows the total number of trade apprenticeships in Canada each year from 1991 to 1997 a) Consider the year 1991 as year #0. Create a scatter plot of the data on the next page using the DESMOS graphing calculator. apprenticeships 192,945 Year 1991 1992 180,965 168,985 163,750 163,370 1993 1994 1995 1996 165,325 171,180 1997 b) From the scatter plot, which model appears most appropriate: linear, quadratic, exponential. Give reason for your answer c) Generate a model for the data (line/curve of best fit) using regression. Write the equation of the model that best fits the data. d) Use the model to predict when apprenticeships will return to 1991 levels.
b) Alcohol is different in that is removed linearly from the body. The following table shows the blood alcohol level (BAL) a number of hours after they start drinking. The data given below is for an average 30 year-old woman (130 pounds, 5 feet 5) woman and for an average 30 year-old man (180 pound man, 5 feet 10) who have each drunk 4 large glasses of wine. Use Excel to graph BAL amount against time elapsed for (i) an average man, and (ii) an average man. Graph and paste the chart(s) into your assignment. Blood Alcohol Level (Woman) Blood Alcohol Hours Elapsed Level (Man) 0.129 0.107 1 0.110 0.091 0.076 0.060 2. 0.091 3. 0.073 4. 0.054 0.045 0.035 0.029 6. 0.017 0.014 c) The legal DUI limit in Arizona is 0.080%. Estimate the amount of time (in minutes) needed between the last drink and getting behind the wheel. Better still designate a driver.
Name the forecasting methods
An office supply company services copiers and tracks how many machines are serviced and the length of time (in minutes) for a service call. The data below for 11 clients is below. Sum X = 46 Sum Y= 234 Sum XY = 5797 Sum X2 =1180 Sum Y2 =146608 1) Calculate SSYY, SSXX, SSXY 2) Calculate b0, b1 3) Interpret the estimated slope coefficient.
The following table gives the annual revenue for the Microsoft Corp. in billions of dollars for a ten-year period. Year Microsoft 2007 2008 51 60 2009 2010 58 62 2011 2012 70 73 2013 2014 2015 2016 78 86 94 85 Construct and upload a boxplot for the Microsoft data. Be sure to label all the important numbers for the box plot.
The mtcars data set contains data on 32 cars from the 1974 Motor Trend US magazine. The data set has 11 variables that measure different aspects of the cars, such as miles per gallon (mpg), horsepower (hp), weight (wt), and number of cylinders (cyl). The data set can be used to study the relationship between fuel consumption and car performance, as well as other factors that affect the efficiency and design of the cars. What is the maximum and minimum number of the range regarding the explanatory variable for which the regression model can make valid predictions?
help B and C
I'm looking at the coefficents between two variables on Excel. Copying and pasting is not recommended by my professor. Can anyone give me an idea on how to graph it?
Bicycling World, a magazine devoted to cycling, reviews hundreds of bicycles throughout the year. Its "Road-Race" category contains reviews of bicycles used by riders primarily interested in racing. One of the most important factors in selecting a bicycle for racing is the weight of the bicycle. The following data show the weight (pounds) and price ($) for ten racing bicycles reviewed by the magazine. Model Weight Price Fierro 7B 17.9 2200 HX 5000 16.2 6350 Durbin Ultralight 16 8490 Schmidt 16.2 6300 WSilton Advanced 17.5 4100 bicyclette vélo 15.2 8500 Supremo Team 16.5 6200 XTC Racer 17.6 2680 D’Onofrio Pro 17.5 4500 Americana #6 13.6 8200 Use the data to develop an estimated regression equation that could be used to estimate the price for a bicycle given its weight. What is the estimated regression model? Group of answer choices y = -1512x + 30578 y = 1351x + 26327 y = -1161x + 24489 y = -1457x + 27903 y = 1341x + 25176
Suppose a researcher collects data on the air pollution levels, measured in milligrams per cubic meter, for both urban and rural areas in 35 states. The data is plotted with urban air pollution levels on the horizontal axis and rural air pollution levels on the vertical axis. Nevada is an outlier in the ?x‑direction. What must be true about this state? The urban air pollution levels for this state are much higher or lower than the rest of the states in the data set. The rural air pollution levels for this state are much higher or much lower than the rest of the states in the data set. This state is an influential observation. The rural air pollution levels for this state are much higher or lower than other states in the data set that have similar urban air pollution levels. The absolute value of the residual of this state is large.
Suppose that an urban geographer is studying historical changes in housing characteristics in London, England. She wishes to determine if house size (square feet of living area) and the number of years since home construction are associated. What method could she use to learn if such a relationship exists.

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