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1. Why do we need to have a sampling in doing research?

2. Give 3 examples wherein you need to have sampling in:

a. Marketing Department

b. Product and Development

c. Human Resource Department

3. What were the 4 sampling techniques? And give examples

a. where these techniques.

4. Give 1 example of Parameter and Statistic sampling.

5. With the techniques, what you think is easier and recommendable for your group?​


Sagot :

Answer:

here

Explanation:

1.)Sampling saves money by allowing researchers to gather the same answers from a sample that they would receive from the population. Non-random sampling is significantly cheaper than random sampling, because it lowers the cost associated with finding people and collecting data from them.

2.) a,b and c

-Systematic sampling

-Stratified sampling

-Cluster sampling

3.) -Simple random sampling. In this case each individual is chosen entirely by chance and each member of the population has an equal chance, or probability, of being selected.

-Systematic sampling

-Stratified sampling

-Clustered sampling

4.) A parameter is a characteristic of a population. ... For example, say you want to know the mean income of the subscribers to a particular magazine—a parameter of a population. You draw a random sample of 100 subscribers and determine that their mean income is $27,500 (a statistic).