M Wed Feb 15Measles and Mumps The data show the number of cases of measles and mumps for a recent 5-year period.Measles CasesMumps Cases48 1501797 47570 60 2031954 2575 370Send data to Excelwww-awu.connectmath.comThe correlation coefficient for the data is r=-0.911 and a= 0.05. Should regression analysis be done?O The regression analysis should not be done.O The regression analysis should be done.Find the equation of the regression line. Round the coefficients to at least three decimalplaces.y' = a + bxa =b =Given a year with 185 cases of measles, predict the expected number of cases of mumpsfor that year. Round your answer to at least one decimal place.The number of cases of mumps for that year is47%Submit Assignment2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Cent0

The independent variable is Measles cases (x) and the dependent variable is Mumps cases (x),

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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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Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 7 recent years are shown. Number of fires x 72 69 58 47 84 62 57 Number of acres burned y 74 71 60 49 86 64 59 Send data to Excel The correlation coefficient for the data is r= 1 and a=0.05. Should regression analysis be done? The regression analysis should not be done. The regression analysis should be done. Find the equation of the regression line. y'=a+bx a b. Find y' when x=55. y' = %3D to
x = number of traffic tickets y = Cost of auto insurance A test of linear correlation between traffic tickets and insurance cost produces a linear correlation coefficient of r = 0.705. Determine weather the regression line has a positive slope, or a negative slope
Question Help v Listed below are systolic blood pressure measurements (in mm Hg) obtained from the same woman. Find the regression equation, letting the right arm blood pressure be the predictor (x) variable. Find the best predicted systolic blood pressure in the left arm given that the systolic blood pressure in the right arm is 85 mm Hg. Use a significance level of 0.05. Right Arm 101 100 92 78 77 O Left Arm 175 169 142 143 A Data Table 143 A Click the icon to view the critical values of the Pearson correlation coefficient r The regression equation is y=+x. (Round to one decimal place as needed.) Critical Values of the Pearson Correlation Coefficient r a= 0.01 0.990 a =0.05 NOTE: To test Hg: 4 0.950 b%30 against H,:p#0, reject Ho if the absolute value of r is greater than the critical value in the table 5 0.878 Given that the systolic blood pressure in the right arm is 85 mm Hg, the best predicted systolic blood pressure in the left arm is mm Hg. (Round to one decimal place as…
Measles and Mumps The data show the number of cases of measles and mumps for a recent -year period. + Measles Cases 48 145 64 57 217 Mumps Cases S07 432 1957 2553 379 Send data to Excel The correlation coefficient for the data is 7=-0.688 and a = 0.05. Should regression analysis be done? The regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y =a= bx a = Given a year with 171 cases of measles, predict the expected number of cases of mumps for that year. Round your answer to at least one decimal place. The number of cases of mumps for that year is
Measles and Mumps The data show the number of cases of measles and mumps for a recent 5-year period. Measles Cases Mumps Cases 47 135 67 57 205 816 437 1972 2567 384 Send data to Excel The correlation coefficient for the data is r=-0.671 and a=0.05. Should regression analysis be done? The regression analysis should not be done. O The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. y' = a + bx a b = Given a year with 160 cases of measles, predict the expected number of cases of mumps for that year. Round your answer to at least one decimal place. The number of cases of mumps for that year is X
Use the value of the linear correlation coefficient to calculate the coefficient of determination. What does this tell you about the explained variation of the data about the regression line? About the unexplained variation?
NHL Assists and Total Points The number of assists and total number of points for a sample of NHL scoring leaders from the NHL are shown. Assists x 65 83 58 59 68 67 Total points y 94 112 109 109 101 91 Send data to Excel The correlation coefficient for the data is r= 0.146 and a = 0.05. Should regression analysis be done? OThe regression analysis should not be done. O The regression analysis should be done. O Find the equation of the regression line. y'=a+bx a = 93.237 b = 0.141 Find y' when x= 65. y'= 102.402
Use the value of the linear correlation coefficient to calculate the coefficient of determination. What does this tell you about the explained variation of the data about the regression line? About the unexplained variation? r= -0.438 please dont copy paste the content from other sites
Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 7 recent years are shown. Number of fires x 58 47 84 62 57 72 69 Number of acres burned y 54 43 80 58 53 68 65 The correlation coefficient for the data is =r1 and =α0.05 . Should regression analysis be done? The regression analysis should not be done. The regression analysis should be done. Find the equation of the regression line. =y′+abx =a =b Find y′ when =x50 . =y′
The data show the chest size and weight of several bears. Find the regression equation, letting chest size be the independent (x) variable. Then find the best predicted weight of a bear with a chest size of 48 inches. Is the result close to the actual weight of 428 pounds? Use a significance level of 0.05. at Chest size (inches) Weight (pounds) Click the icon to view the critical values of the Pearson correlation coefficient r View an example 49 42 D 36 56 50 39 296 570 501 353 487 385 What is the regression equation? =+x (Round to one decimal place as needed.) H C Get more help. "' 10 √ ✔ (0,0) Clear all More X 67°F Sunny Incorrect: 0 Activate Windows Check answer Go to Settings to activate P 4
Forest Fires and Acres Burned Numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned for 6 recent years are shown. Number of fires x 69 58 62 84 47 72 Number of acres burned y 62 42 19 15 26 42 Send data to Excel The correlation coefficient for the data is =r−0.054 and =α0.01 . Should regression analysis be done? The regression analysis should not be done. The regression analysis should be done. Find the equation of the regression line. =y′+abx =a =b Find y′ when =x60 . =y′
Average Age and Length of Service The data show the average ages and lengths of service in months. Age 25 25.5 26.5 26.6 26.9 Time 66.2 71.2 72.6 88.1 82.7 The correlation coefficient for the data is =r0.817 and =α0.05 . Should regression analysis be done? The regression analysis should not be done. The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places. =y′+abx =a =b If a service person is 26.0 years old, predict the time that the person will serve. Round the answer to at least one decimal place. Theservicepersonwillservemonths.

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