If the coefficient is near +1.00, the variables are related

A. Are self-disciplined B. Dictate notes in the class C. Remove the difficulties of the subject D. Are self-disciplined Correct Answer is : B

A. What information is required by children? B. What was last known to the children? C. In which field difficulty is faced by the children? D. What is the known to the children before hand? Correct Answer is : C