1
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
If two lines of regression are x + 4y + 1 = 0 and 4x + 9y + 7 = 0, then what is the value of x when y = -3 ?
2
NDA Mathematics 16 April 2023
MCQ (Single Correct Answer)
+2.5
-0.83
A bivariate data set contains only two points (-1, 1) and (3, 2). What will be the line of regression of y on x ?
Questions Asked from Coordinate System and Straight Line (Marks 2.5)
Number in Brackets after Paper Indicates No. of Questions
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