The Pearson's correlation coefficient between following observation
X: 1 2 3 4
Y: 3 4 2 1
is - 0.8. If each observation of X is halved and of Y is doubled, then Pearson's correlation coefficient equals to
The correct answer is C
Statements: N # L, L @A, A % I, I & E
I.E $ L <...
Statements: H > S ≥ F = B ≤ U≤ T; E ≤ K ≤ B
Conclusions:I. U ≥ E II. S > T
Statements: B < C ≥ D > E; F < A ≥ C; Q < F = G
I. B < A
II. D ≤ F
III. G > E
Statements: J < K, J < L, L > M
Conclusions: I. J < M II. L = J...
Statements:Q ≥ R,R < S,S < T
Conclusions: I. T > R II. Q ≥ T
Statements: S ≥ U < N = A; D > U ≥ C
Conclusions: I. A > D II. C < A
In which of these expression ‘J > B’ is definitely True?
Statements: A < B ≤ C, A > E, F ≤ B < D
I. D > A
II. E < B
III. C > E
IV. D > C
Which of the following should be placed in the blank spaces respectively ( in the same order from left to right) in order to complete the given express...
In the word ‘DECISION’ all consonants are written as their preceding letter and all vowels are written as their following letters. Now all letter...