21. A part of population selected to know something about the population is called a

- sampling
- sample
- sampling technique
- all of the above

22. Null means

- One
- Many
- Zero
- None of these

23. The first variable is _____________ variable.

- Abstract
- Dependent
- Independent
- Separate

24. When a hypothesis is stated negatively it is called

- Relational Hypothesis
- Situational Hypothesis
- Null Hypothesis
- Casual Hypothesis

25. A Hypothesis which develops while planning the research is

- Null Hypothesis
- Working Hypothesis
- Relational Hypothesis
- Descriptive Hypothesis

26. In the formulation of the problem we need to give a

- Title
- Index
- Bibliography
- Concepts

27. The first step in formulating a problem is

- Statement of the problem
- Gathering of Data
- Measurement
- Survey

28. Converting a question into a Researchable problem is called

- Solution
- Examination
- Problem formulation
- Problem Solving

29. A question which requires a solution is

- Observation
- Problem
- Data
- Experiment

30. __________ is the first step of Research process.

- Formulation of a problem
- Collection of Data
- Editing and Coding
- Selection of a problem