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- Subject: Numerical Methods Good day tutors! Please help me solve this problem. It can be solved using excel and put it in word file. Thank you tutors.year, X tuition, y The data in the chart show the cost of tuition at a state university for the years 1997-2001. Fit a regression line to the data, where x is the number of years after 1997 Then find the coefficlent of correlation Finally, use the regression 2. (1999) 11,006 ine to predict the cost of tuition in 2004 2007, and 2010. 0. (1997) 1. (1998) 10,369 9743 3. (2000) 4. (2001) 11.486 12.077 Choose the correct regression line OA. y9779 2x+578 5 OC. y578 5x-97792 OB y=578.5x +9779 2 OD. y=9779.2Triples and Home Runs The data below show the number of three-base hits (triples) and the number of home runs hit during the season by a random sample of MLB teams. Triples 33, 37, 27, 29, 18, 21 Home runs 305, 345, 245, 265, 155, 185 The correlation coefficient for the data is r= 1 and a=.01. Should regression analysis be done? The regression analysis should not be done or The regression analysis should be done. Find the equation of the regression line. Round the coefficients to at least three decimal places, if necessary y'= a+bx a= b= find y' when x= 28. Round the answer to at least three decimal places, if necessary y'=
- 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 isMeasles 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 XUse 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?
- How strong is this relationship? Obtain the correlation. (Provide your answer to four decimal places.) r=Using the data in the table below, find the Rank (R) and Product Moment (r) Correlation Coefficient. Personality (1) Behaviour (y) 5 8 6 7 7 5 7 5 8 4 9 4 9 5 9 6 8 6 9Use the value of the linear correlation coefficient r to find the coefficient of determination and the percentage of the total variation that can be explained by the linear relationship between the two variables. r= 0.279 What is the value of the coefficient of determination? 2= (Round to four decimal places as needed.) Enter your answer in the answer box and then click Check Answer. Check Answer Clear All part 1 remaining MacBook Pro F12 --- FIO F7 F8 F9 F5 esc F1 F2 & @ $ 6. 7 8 9 1 2 3 4 P Y Q tab K A S F + ||
- M Wed Feb 15 Measles and Mumps The data show the number of cases of measles and mumps for a recent 5-year period. Measles Cases Mumps Cases 48 150 1797 475 70 60 203 1954 2575 370 Send data to Excel www-awu.connectmath.com The 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 decimal places. y' = a + bx a = b = Given a year with 185 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 47% Submit Assignment 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Cent 0Forest 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′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′
