16.

17.

18.

19.

20.

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4 D 31883-A
Sum of squares of the deviations about mean is :
(A) Maximum. (B) Minimum
(C) Zero. (D) One.
The idea of product moment correlation was given by :
(A) Fisher. (B) Galton.
(C) Pearson. (D) Spearman.

Correlation of r =——

suggests a strong, positive association between two variables.
(A) -0.9. (B) 0.9.
(C) 0. (0) -7.

Sanju calculated a correlation co-efficient of 0.75. Which of the following reflects the best
interpretation of this :

(A) Weak negative. (B) Strong negative.
(C) Weak positive. (D) Strong positive.

The estimated ——

equation can be used to predict the value of the dependent variable
given values for the independent variables.

(ಗಿ) Correlation. (B) Mean deviation.

(C) Standard deviation. (D) Regression.

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