Q90 · CSIR NET Chemistry, December 2011
Paper: CSIR NET December 2011 · Subject: Physical Chemistry · Chapter: Data Analysis · Topic: Regression Fitting · Marks: 2 · Difficulty: Medium
In least square fitting of a data set $\{X_iY_i\}$ to the equation $Y = A.X$, the regression coefficient (A) is estimated by
(a)$\Sigma Y_i^2 / \Sigma X_i^2$
(b)$\Sigma X_iY_i / \Sigma X_i^2$
(c)$\Sigma X_iY_i / \Sigma Y_i^2$
(d)$\Sigma X_i^2 / \Sigma Y_i^2$
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.
Study loop for Data Analysis