2) Multiple Choice (ONE answer)The figure below shows the residual plot for a data set.6324810А.A random pattern of the residual plot supports a linear model.ВA random pattern of the residual plot supports a nonlinear model.C.The data set is linear because the sum of the residuals is greater than zero.D.The data set is nonlinear because the sum of the residuals is greater than zero.Residuals

Residual is the difference between observed data point and predicted data point. Linear model:…

Answered: 2) Multiple Choice (ONE answer) The…

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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Linear Regression Application, Interpolation and Extrapolation Use the data and story to answer the following questions The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. X 11.4 8.2 y 13.9 6.6 3.6 2.4 2.3 2.3 0.4 11 9.3 6.8 6.3 5.9 6.3 4.3 = thousands of automatic weapons y = murders per 100,000 residents Use your calculator to determine the equation of the regression line. (Round to 2 decimal places) Determine the regression equation in y = ax + b form and write it below. Answer = A) How many murders per 100,000 residents can be expected in a state with 4 thousand automatic weapons? Answer = Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 11 thousand automatic weapons? Round to 3 decimal places.
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Complete parts (a) through (h) for the data below. 40 50 84 60 70 80 53 Que 78 73 67 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. OA. Ax 90- OB. OC. Ay 90- 100- 100 (b) Find the equation of the line containing the points (50,78) and (80,53). y x+ (D (Type integers or simplified fractions) Click to select your answer(s) 9 Type here to search 427 PM 3/14/2021 Panasonic CF-54 TOUGHBOOK CDSS-4853 PASS AIP F7 F8 F9 F10 F11 F12 Num Lock PrtSc Scrol Pause F3 F4 F5 F6 SysRa Lok Break F1 F2 Esc Back space % & Home %24 4. 23 1 A1 2 42 T Y W 15 日 [ Tab K Enter F 3 田 + II O.... 日 * 00
Prices and mileage of 44 Toyota Prius cars. Prices ranged from $17,043 to $48,935. Mileage ranged from 403 to 70,838. While I did not share the cars were 2017 to 2020 models. Please show all work. Create a scatter plot of prices (Y) and mileage (X). What interpretation can you make using this scatter plot? Does this model meet the Linearity assumption? Provide evidence and a discussion of support for meeting the assumption. Does this model meet the Independent Errors assumption? Provide evidence and a discussion of support for meeting the assumption. Price Mileage 17167 67380 24500 8137 20700 14907 20700 13906 18995 39268 21985 3292 19995 32630 19983 36074 19477 35484 20980 23954 24940 7001 24940 7991 25480 3476 17960 41051 25980 403 24500 8137 18588 66109 18788 51022 19200 32753 21985 38838 24512 2307 22997 33671 18480 27233 18480 27758 17043 70838 17761 21967 18488 11686 17793 26080 17900 36655 18100 46264…
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P4. The least squared method called also the least squared regression method is one of the most commonly used methods in applications . Describe the importance of this method in modeling data. Provide an illustrative example for given data and interpret your results. Using your example illustrate the importance of the results.
Complete parts (a) through (h) for the data below. X 3. 4 8. y 8 12 17 20 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. O A. Ов. OC. O D. Ay 20- Ay 20- Ay 10- 10- 10 10 0. 10 20 (b) Find the equation of the line containing the points (3,5) and (8,20). y = (Type integers or simplified fractions.) Type here to search 48 F lyp 12 prt sc delete home 14 16 144 144 & unu lock backspace 3 4 8. %24 米

Complete parts (a) through (h) for the data below. X 2 3 4 6 7 y 3 6 10 15 18 (a) By hand, draw a scatter diagram treating x as the explanatory variable and y as the response variable. Choose the correct scatter diagram below. A. Ax 10- 20 y 20- Ay 10 10- (b) Find the equation of the line containing the points (2,3) and (7,18). y= ☐ X X+ (Type integers or simplified fractions.) X 20 -0 10 X
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pdf # с 9. The tuition costs (in thousands of dollars) for 25 liberal arts colleges are listed. 23 23 20 22 21 15 25 24 30 25 40 25 30 23 29 20 19 22 23 29 23 28 22 28 20 Construct a boxplot for the data. Find the data value that corresponds to Pso c. Find the data value that corresponds to P75 a. b. $ % H A Oll Page < 2 SUS & Ih O of 2 O O
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The table lists data that is exactly linear. 4 24 33 54 62 (a) Find the slope-intercept form of the line that passes through these data points. (b) Predict y when x= - 1.8 and 5.8. Decide if these calculations involve interpolation or extrapolation. 95.5 39.5 14.3 - 44.5 - 66.9 x+ D (a) The slope-intercept form of the line that passes through these data points is y = (Simplify your answers. Use integers or decimals for any numbers in the equation.) (b) Predict y when x= - 1.8. y = (Simplify your answer. Round to the nearest hundredth.) Predicting y for this value of x is an example of which of the following? interpolation extrapolation Predict y when x = 5.8. y= (Simplify your answer. Round to the nearest hundredth.) Predicting y for this value of x is an example of which of the following? interpolation extrapolation

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