Which of the following statements about reliability of a test are correct?(i) Reliability is fixed for a given test.(ii) It is a correlation of the test with itself.(iii) It varies from sample to sample.(iv) it is not affected by the size of the sample(v) High reliability ensures high validity

• A. (i), (iii) and (iv)
• B. (ii), (iii) and (v)
• C. (i) and (iv)
• D. (ii) and (iii)