ABC26PH0959 · Data Analysis

Subject: Physical Chemistry · Chapter: Data Analysis · Topic: Regression Fitting · Exam: NET JUNE 2013 · Marks: 2 · Difficulty: Medium

For two variables x and y , the following data set is given:
xy
-11
02
13
The correct statement for the covariance A and correlation coefficient B of x and y is
(a)$\mathrm{A}=2 / 3, \mathrm{B}=1$
(b)$\mathrm{A}=-2 / 3, \mathrm{B}=1$
(c)$\mathrm{A}=-2 / 3, \mathrm{B}=-1$
(d)$\mathrm{A}=0, \mathrm{B}=0$
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.

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