Question

Define regression. Using the following data, obtain the two regression equations. X 16 21 26 23 28 24 17 22 21
Y 33 38 50 39 52 47 35 43 41​

Answer 1

Step-by-step explanation:

Login Ask a Question From the data given below: Marks in Economics: 25 28 35 32 31 Marks in Statistics: 43 46 49 41 36 ← Prev QuestionNext Question → 0 votes 25.6k views asked Nov 23, 2020 in Correlation and Regression Analysis by Aanchi (48.8k points) closed Nov 23, 2020 by Aanchi From the data given below: Marks in Economics: 25 28 35 32 31 Marks in Statistics: 43 46 49 41 36 Marks in Economics: 36 29 38 34 32 Marks in Statistics: 32 31 30 33 39 Find (a) The two regression equations (b) The coefficient of correlation between marks in Economics and statistics (c) The most likely marks in Statistics when the marks in Economics is 30. correlation regression analysis class-11 Share It On 1 Answer +1 vote answered Nov 23, 2020 by Darshee (49.2k points) selected Nov 23, 2020 by Aanchi (a) Regression equation of X on Y. Regression equation of Y on X. (b) Coefficient of correlation r = ± √ b x y × b y x ±bxy×byx = √ ( − 0.234 ) ( − 0.664 ) (−0.234)(−0.664) = -0.394 (c) When X = 30, Y = ? Y = -0.664(30) + 59.248 = -19.92 + 59.248 = 39.328 ← Prev QuestionNext Question → Related questions 0 votes 1 answer Calculate the coefficient of correlation for the ages of husbands and their respective wives: Age of husbands 23 27 28 29 30 31 33 35 36 39 asked Nov 23, 2020 in Correlation and Regression Analysis by Aanchi (48.8k points) correlation regression analysis class-11 0 votes 1 answer Find the coefficient of correlation for the following: Cost (Rs) 14 19 24 21 26 22 15 20 19 Sales (Rs) 31 36 48 37 50 45 33 41 39 asked Nov 23, 2020 in Correlation and Regression Analysis by Aanchi (48.8k points) correlation regression analysis class-11 0 votes 1 answer Calculate the correlation coefficient for the following data: X 25 18 21 24 27 30 36 39 42 48 asked Nov 23, 2020 in Correlation and Regression Analysis by Aanchi (48.8k points) correlation regression analysis class-11 0 votes 1 answer You are given the following data: Details X Y Arithmetic Mean 36 85 Standard Deviation 11 8 asked Nov 24, 2020 in Correlation and Regression Analysis by Chitranjan (27.1k points) correlation regression analysis class-11 0 votes 1 answer An examination of 11 applicants for an accountant post was taken by a finance company. The marks obtained by the applicants asked Nov 23, 2020 in Correlation and Regression Analysis by Aanchi (48.8k points) correlation regression analysis class-11 Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. Categories All categories JEE NEET Science Mathematics Statistics Environmental Science Biotechnology Social Science Commerce Electronics Computer Information Technology Programming Political Science Home Science Psychology Sociology English Hindi Aptitude Reasoning GK Olympiad Skill Tips CBSE RBSE General MSBSHSE Tamilnadu Board Class 12 Class 11 Bio Botany Bio Zoology Physics Mathematics Chemistry English Commerce Accountancy Economics Computer Science Computer Applications Business Maths Matrices and Determinants Algebra Analytical Geometry Trigonometry Differential Calculus Applications of Differentiation Financial Mathematics Descriptive Statistics and Probability Correlation and Regression Analysis Operations Research Class 10 Class 9 Class 8 Class 7 Class 6 Kerala Board Send feedback About Us Privacy Policy Terms of Use Copyright Contact Us FAQ Advertise User Contribution to Sarthaks eConnectManaged by Sarthaks Digitizing India Read more on Sarthaks.com - https://www.sarthaks.com/986264/from-the-data-given-below-marks-in-economics-25-28-35-32-31-marks-in-statistics-43-46-49-41-36