41. A statistical measure based upon the entire population is called parameter while measure based upon a sample is known as:

(A) Sample parameter

(B) Inference

(C) Statistics

(D) None of these

   Answer - (C)   Answer - (C)    

42. The importance of the correlation co-efficient lies in the fact that:

(A) There is a linear relationship between the correlated variables.

(B) It is one of the most valid measure of statistics.

(C) It allows one to determine the degree or strength of the association between two variables.

(D) It is a non-parametric method of statistical analysis.

   Answer - (C)   Answer - (C)    

43. The F-test:

(A) is essentially a two tailed test.

(B) is essentially a one tailed test.

(C) can be one tailed as well as two tailed depending on the hypothesis.

(D) can never be a one tailed test.

   Answer - (C)   Answer - (C)    

44. Which one of the following is the most comprehensive source of population data?

(A) National Family Health Surveys

(B) National Sample Surveys

(C) Census

(D) Demographic Health Surveys

   Answer - (C)   Answer - (C)    

45. Which one of the following principles is not applicable to sampling?

(A) Sample units must be clearly defined

(B) Sample units must be dependent on each other

(C) Same units of sample should be used throughout the study

(D) Sample units must be chosen in a systematic and objective manner

   Answer - (B)   Answer - (B)