Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, andRussellville) reported the following information about x and y.24.319.218.314.919.017.5y13.04.69.11.30.83.6n USE SALTComplete parts (a) through (e), given Ex =113.2, Σy- 32.4, Σx-2183.28, Σy288.26, Σχy668.32, and r 0.7769.%3D%D%3D(a) Draw a scatter diagram displaying the data.2412221082018164810121618202224x (in percent)x (in percent)12241022201821616182022241012x (in percent)x (in percent)MacBook Proy(violent crimes (per 1000 residents))y (violent crimes (per 1000 residents))y (violent crimes (per 1000 residents))y (violent crimes (per 1000 residents))2)4- (b) Verify the given sums Ex, £y, Ex, Ey, Exy, and the value of the sample correlation coefficient r. (Round your value for r to four decimal places.)Σχ%3DΣy -Ex? =%3DEy? =Σχy%3Dr =(c) Find x, and y. Then find the equation of the least-squares line ŷ = a + bx. (Round your answer to four decimal places.)X =y =%3D(d) Graph the least-squares line. Be sure to plot the point (x, y) as a point on the line.1222108.1816810121618202224x (in percent)x (in percent)1210228.418162.y (violent crimes (per 1000 residents))y (violent crimes (per 1000 residents))2)24202420II I|y (violent crimes (per 1000 residents))violent crimes (per 1000 residents))

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The table below shows the alcohol consumption per capita for seventeen high-income countries in 2000 according to https://ourworldindata.org.Country Liters of Alcohol Consumption per Capita in 1980 Australia 9.7Austria 11.1Belgium 11.5Canada 7.6Denmark 9.8Finland 5.1France 13.3Germany 12.7Italy 10.8Japan 6.5Netherlands 8.6New Zealand 9.1Norway 5.2Sweden 5.9Switzerland 11.4United Kingdom 8United States 7.71) Calculate the mean, median, mode, and standard deviation of the liters of alcohol consumption per capita for these 17 countries. Use your TI-84 calculator or Excel as necessary. If you calculate them by hand, include your work (neatly written on a separate sheet of paper!!). If you use Excel, include the Excel worksheet. If you use your TI-84, show what you’ve entered and the results you get. (You could take photos of your calculator and include those if you’d rather.)Mean = _______________________ (Round to 1 decimal place.)Median = ______________________Mode(s) =…
The following items represent the number of birds observed at a given feeder over the past several days. What is the mean number of birds to visit that feeder? 96, 76, 54, 64, 7, 32, 72
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The table below shows the alcohol consumption per capita for seventeen high-income countries in 2000 according to https://ourworldindata.org. Country Liters of Alcohol Consumption per Capita in 1980 Australia 9.7Austria 11.1Belgium 11.5Canada 7.6Denmark 9.8Finland 5.1France 13.3Germany 12.7Italy 10.8Japan 6.5Netherlands 8.6New Zealand 9.1Norway 5.2Sweden 5.9Switzerland 11.4United Kingdom 8United States 7.7 1) Calculate the mean, median, mode, and standard deviation of the liters of alcohol consumption per capita for these 17 countries. Use your TI-84 calculator or Excel as necessary. If you calculate them by hand, include your work (neatly written on a separate sheet of paper!!). If you use Excel, include the Excel worksheet. If you use your TI-84, show what you’ve entered and the results you get. (You could take photos of your calculator and include those if you’d rather.)Mean = _______________________ (Round to 1 decimal place.)Median = ______________________Mode(s) =…
Answer D for me
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Let x be the percentage of 16- to 19-year-olds not in school and not high school graduates. Let y be the reported violent crimes per 1000 residents. Six small cities in Arkansas (Blytheville, El Dorado, Hot Springs, Jonesboro, Rogers, and Russellville) reported the following information about x and y. x 24.2 18.6 17.8 14.9 19.0 17.5 y 13.0 4.6 8.8 1.3 0.8 3.6 Complete parts (a) through (e), given Σx = 112, Σy = 32.1, Σx2 = 2137.7, Σy2 = 282.89, Σxy = 654.37, and r ≈ 0.763. (b) Verify the given sums Σx, Σy, Σx2, Σy2, Σxy, and the value of the sample correlation coefficient r. (Round your value for r to three decimal places.) Σx = Σy = Σx2 = Σy2 = Σxy = r = (c) Find x, and y. Then find the equation of the least-squares line = a + bx. (Round your answers for x and y to two decimal places. Round your answers for a and b to three decimal places.) x = y = = + x

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