Define the correct sequence in the stage of sampling:

Option 1:  i) Population definition ii) Sampling frame development iii) Sampling unit specification iv) Sampling method selection v) Sample size determination

• Suppose A is an abstract class, B is a concrete subclass of A, and both A and B have a default constructor. Which of the following is correct?1. A a = new A();2. A a = new B();3. B b = new A();4. B b = new B();
• Abhyuday Thakur has 74% vision in his left eye and 66% vision in his right eye. On corrective therapy his vision of left eye increased by 11% and 12% in his right eye. Find out the percentage of normal vision that he possesses after corrective therapy. (A
• Boys and girls are sitting in a row in audience in front of a stage which faces North. Rani is fifth to the left of Sunita who is eighth to the right of Nishant. How many children are there between Rani and Nishant ?
• Which of the following statements are correct about an array?1. The array int num[26]; can store 26 elements.2. The expression num[1] designates the very first element in the array.3. It is necessary to initialize the array at the time of declaration.4. T
• Pick the correct statements.I.   The body of a function should have only one return statement.II.  The body of a function may have many return statements.III. A function can return only one value to the calling environment.IV. If return statement is omitt