5. Instructions: Use the interactive tool to plot Lorenz curves for the information in the table.Quintile of1stPopulation2nd3rd4th5thQuintile's %of Income,Colombia,2010Quintile's %of Income,Finland,2010Quintile's %of Income,UnitedStates,20103711196014172337101420United States data from the Congressional Budget Office at CBO.gov. Before-tax Income, rounded to whole %s.Data for other countries from WorldBank.org, rounded to whole %s.Report your answers to two decimal places.According to these data, the Gini coefficient for Colombia in 2010 is0.514The Gini coefficient for Finland in 2010 is 0.260These Gini coefficients indicate that in 2010, the income distribution was more unequalin Colombia compared to Finland.In 2010, the income distribution was more equalin the United States compared to Finland.51

To calculate Gini Coefficient, The following formula is used. Gini Coefficient = 1-Aggregate score…

Answered: Quintile of Population Quintile's % of…

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section5.2: Exponential Functions

Problem 76E

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The table shows the temperatures y (in degrees Fahrenheit) in a city over a 24-hour period. Let x represent the time of day, where x=0 corresponds to 6 a.m. These data can be approximated by the model y=0.026x31.03x2+10.2x+34,0x24. (a) Use a graphing utility to create a scatter plot of the data. Then graph the model in the same viewing window. (b) How well does the model fit the data? (c) Use the graph to approximate the times when the temperature was increasing and decreasing. (d) Use the graph to approximate the maximum and minimum temperatures during this 24-hour period. (e) Could this model predict the temperatures in the city during the next 24-hour period? Why or why not?
Is the magnitude of an earthquake related to the depth below the surface at which the quake occurs? Let x be the magnitude of an earthquake (on the Richter scale), and let y be the depth (in kilometers) of the quake below the surface at the epicenter. x 3.4 4.7 3.3 4.5 2.6 3.2 3.4 y 5.4 10.0 11.2 10.0 7.9 3.9 5.5 (a) Make a scatter diagram of the data. Then visualize the line you think best fits the data. Use a calculator to verify that Σx = 25.1, Σx2 = 93.35, Σy = 53.9, Σy2 = 462.47 and Σxy = 199.04. Compute r. (Round your answer to four decimal places.) As x increases, does the value of r imply that y should tend to increase or decrease? Explain your answer. Given our value of r, y should tend to increase as x increases. Given our value of r, y should tend to remain constant as x increases. Given our value of r, y should tend to decrease as x increases. Given our value of r, we can not draw any conclusions for the behavior of y as x increases.
create a model using the first and third point in the data set to get the P for Population in millions. create a model for 3rd and 10th point of the data further below. I need to get the slope, etc. I don't understand the steps for modeling on a subset of the data. M is the slope, etc. Population = mx + b Year Population in millions 1909 90.49 1919 105.063 1929 121.767 this is a subset of the scatter plot for: Year US Population (in millions) 1909 90.49 1919 105.063 1929 121.767 1939 131.028 1949 149.188 1959 177.073 1969 202.677 1979 225.055 1989 247.342 1999 279.295 2009 307.439 2019 328.476
What do I put into R studio to get this information? How does the size of the diamond relate to the price? Make a series of fitted curves that illustrate the relationship between price of a diamond and its carat weight based upon its clarity.
The market research department of a soft drink manufacturer is investigating the effectiveness of a price discount coupon on the purchase of a two-liter beverage product. A sample of 5500 customers was given coupons for varying-price discounts between 5 and 25 cents. The response variable was the number of coupons in each price discount category redeemed after one month. The data is in the picture. a. Draw a graph of this new model on the same plot that you prepared in part c. Does the expanded model visually provide a better fit to the data than the original model from part a? b. For the quadratic model in part d, find Wald statistics for each individual model parameter. c. Find approximate 95% confidence intervals on the model parameters for the quadratic logistic regression model from part d.
Time and Position Data for a Remote Control Car Using the data above, plot a position versus time graph of the motion and answer the following questions: a) Describe the motion of the car in the full 5.5 s of its travel. b) Find the uniform motion segments and calculate the speed of the car in each of them. c) Find the average speed in the non-uniform motion section of the graph by drawing and calculating the slope connecting the two relevant points on the graph. d) Find the initial and final speeds of the car in the non-uniform motion section. What is the average of these two values? e) How do your answers for parts c and d compare? What does this tell you about the non-uniform motion section?
A student is interested in the relation between ?,the number of job changes and ?, the annual salary(in thousands of dollars) for people living in the Columbus area. A random sample of 10 peopleemployed in Columbus provided the followinginformation:? 4 7 5 6 1 5 9 10 10 3? 33 37 34 32 32 38 43 37 40 33a) The regression equation is: _____b) Graph the data and the regression equation on thesame graph. Label the graph.c) Describe the apparent relationship between thenumber of job changes and annual salary.d) What does the slope of the regression equationrepresent in terms of the annual salary?e) Identify any outliers or potential influentialobservations. Explain your reasoning.f) Identify the predictor and response variables.g) r2= _____h) r= _____i) Interpret the meaning of r2 and how useful theregression equation is for making predictions.j) Interpret the meaning of r in terms of the linearrelationship between the number of job changesand annual salary.k) Use the regression equation to…
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Part A: What is the equation of the following graph in vertex form? y = (x − 1)2 y = (x − 1)2 + 1 y = (x + 1)2 − 1 y = (x + 1)2 Part B: Calculate the average rate of change for the given graph from x = −2 to x = 0 and select the correct answer below 0 1 −1 −2
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