Complete parts (a) through (h) for the data below.4050Que60738053(c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below.70y847867OA.OB.100-C.OD.90-A)100-Q90-30303090(d) By hand, determine the least-squares regression line.(Round to three decimal places as needed.)Click to select your answens).427 PMP Type here to searchPanasonicTOUGHBOOKCF-54CDSS-4853PauseBreakASSNurLockPrtScScrollLockF7F8F9F10F11F12F3F4F5F6SysRqF1F218EscBackspace&%244#31 A12 A2TYW日 [四TabErK田+ II四 @Ca Complete parts (a) through (h) for the data below.40508460708053Que787367(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.Ax90-OB.OC.Ay90-100-100(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 search427 PM3/14/2021Panasonic CF-54TOUGHBOOKCDSS-4853PASS AIPF7F8F9F10F11F12NumLockPrtScScrolPauseF3F4F5F6SysRa LokBreakF1F2EscBackspace%&Home%244.231 A12 42TYW15日 [TabKEnterF3田+ IIO....日* 00

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Complete parts (a) through (h) for the data below. 60 73 80 53 40 50 70 84 78 67 (c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. OA. O B. C. OD. 100- Ay 904 100- 90- 100 30 90 30 30 (d) By hand, determine the least-squares regression line. =+ (D (Round to three decimal places as needed) Click to select your answens) 427 PM

Complete parts (a) through (h) for the data below. 60 73 80 53 40 50 70 84 78 67 (c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. OA. O B. C. OD. 100- Ay 904 100- 90- 100 30 90 30 30 (d) By hand, determine the least-squares regression line. =+ (D (Round to three decimal places as needed) Click to select your answens) 427 PM

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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Using least square method, find the regression line model. Interprete your result. Calculate the coefficient of correlation and explain. Calculate the coefficient of determination and explain your answer.
Fat (9) 31 39 19 34 43 39 35 Calories 580 680 410 590 | 660 640 570 8. Make a scatter plot of the data. 700 650 * 600 550 500 450 400 O 10 20 30 40 50 x Fat (g) Desertee the COFrelation Use technology to find the equation of the best-fitting line for the data. Graph the best-fitting line for the data on the scatter plot. Predict the number of calories in a hamburger that contains 34 grams óf fat. Calories
find the equation of the regression line. Round to 3 decimal places.
Use least squares regression to fit a line to the table data below.
The table shows the national expenditures for health care in billions, in a country for the selected years from 1990 to 2020. Given the projection cost for the year 2002, identify the type of regression point. Year Exprenditures ($billions) 1991 1020 1994 1356 1998 1984 2004 2984 2009 3374 2016 4765 2020 5937 Interpolation Extrapolation Neither Both
Compute the least-squares regression equation for the given data set. Use a TI-84 calculator. Round the slope and y-intercept to at least four decimal places. 43 37 15 19 24 37 18 y 72 67 25 29 42 65 32 Send data to Excel Regression line equation: y = 1.7777x + 1.5838
Part and b. Thank you!
ontestants in a singing competition each received scores in the categories of vocal performance and visual performance. The scores awarded in each category are shown in the dot plots. Scores at a Singing Competition Vocal Performance Visual Performance 12 34 56 7 89 10 Scores i 2 3 4 5 678 9 10 Scores Compare the centers of the data sets for the two categories. Select your answers from the drop down lists The distribution for vocal performance is v and the distribution for visual performance is v. The best measure of center to compare the distributions is the Based on this measure, the center for vocal performance is v the center for visual performance. O HICn 1123 AM P Type here to search 喝 50 1/15/2021 Delete F10 F12 Prie %23 %24 & Backspace Hum Lock 6. 7 8 IT Y PI Home D F G J K Enter V B M Shift End PgUp Alt Ctrl Alt + PgDn End Home
Complete parts (a) through (h) for the data below. 30 40 50 60 70 y 90 87 82 74 Question Help v 62 (c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. O A. OB. Ay 80- OC. Ay 80- OD. Av 20- 20 20 80 100 (d) By hand, determine the least-squares regression line. /Dound to throo donimal lncon an nondod Click to select your answer(s). M acer 9 esc # 2$ 6. 4 3 e W k h
Data were collected that included information on the weight of the trash (in pounds) on the street one week and the number of people who live in the house. The figure shows a scatterplot with the regression line. Complete parts (a) through (d) below.
The table lists the average tuition and fees at private colleges and universities for selected years. Year 1985 1990 1995 2000 2008 5311 25,115 Tuition and Fees (in dollars) 9375 SO 12,418 (a) Find the equation of the least-squares regression line that models the data. y 840.450 (Type the slope as a decimal rounded to three decimal places. Round the y-intercept to the nearest integer.) (b) Graph the data and the regression line in the same viewing window using the parameters given below the graph choices. Choose the correct graph below. OA. O B. o HE RO OC. 16,230 A o ƠN
(e) Find the least-squares regression line treating square footage as the explanatory variable.