MATH PETA 2

4. Method: This method is about the related information written in record data banks, newspapers, magazines, world wide web, and the like are the main source of data.
7. data are the set of information which is directly gathered from the respondents, or which is based on direct or first-hand experience.
8. random sampling method, the population is divided into subgroups, so that population member is in only one subgroup.
9. Method – It is using a telephone to interview the respondents. This method is quite expensive too if there is so many respondents.
10. Method – it is when a researcher/s personally interview their target respondents.
12. sampling method, in which a sample are randomly select groups or clusters of elements from population and then get a sample from some or all the elements within the selected cluster.
13. data refers to the information that is taken from published or unpublished data gathered by other individuals or agencies.
15. Method: This method of direct exchange between the interviewer and interviewee.

1. Method: This method is inexpensive and can cover a wide area in a shorter span of time.
2. sampling method, a sample in each member of the populations has an equally likely chance of being selected. Th members of the sample are chosen independently of each other.
3. sampling method, a sample that is chosen so that it will be easy for the researcher.
5. is a branch of mathematics that deals with the collection, organization, presentation, analysis, and interpretation of data.
6. sampling method, it is obtained using an ordered list of the population, thus selecting members systematically from the list.
11. Method: The experiment method involves manipulating one variable to determine of changes in one variable cause changes in another variable.
14. Method It is a method under which data from the field is collected with the help of observation by the observer or by personally going to the field.