Q1 The following bivariate data shows the length, X (in inches) and weight Y (in kgs) of a sample of six iron rods 16 8 Length 12 Weight 4 18 12 20 14 24 20 32 22 (i) Present the above data on a scatter diagram. (ii) Obtain the correlation coefficient between the length and weight of iron rod and comment on the results, (iii) Find the equation of regression line of weight on length using least square method. (iv) Find the equation of regression line of length on weight using least square method. (v) Estimate the weight of the iron rod when the length is 25 inches.
Q1 The following bivariate data shows the length, X (in inches) and weight Y (in kgs) of a sample of six iron rods 16 8 Length 12 Weight 4 18 12 20 14 24 20 32 22 (i) Present the above data on a scatter diagram. (ii) Obtain the correlation coefficient between the length and weight of iron rod and comment on the results, (iii) Find the equation of regression line of weight on length using least square method. (iv) Find the equation of regression line of length on weight using least square method. (v) Estimate the weight of the iron rod when the length is 25 inches.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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