Question

Curriculum Planning In a study of college programs, 820 students are randomly selected from those majoring in communications, 1463 students are randomly selected from those majoring in business, and 760 students are randomly selected from those majoring in history

Identify which of these sampling is used in the above case

a. Systematic
b. Random
c. Cluster
d. Stratified
e. Convenience

Answer 1

b. Random

Explanation:

A Simple Random sampling is statistical tool in which sample of an individual or items is chosen by chance from a larger population.

this means that all individual in the population have the equal right to be chosen but those chosen are randomly picked for the purpose of a research or experiment.

From the question, it can be deduced that:

820 students are randomly selected from those communications,

1463 students are randomly selected from those business,

760 students are randomly selected from those history

during a Curriculum Planning research.

Answer 2

The correct option is stratified sampling

Explanation:

Stratified sampling is a sampling techniques that divide a population into strata which is homogeneous and then simple random sampling (SRS) is then applied in each stratum to get the required samples.

Looking at the question, the population has been divided into strata I.e those majoring in communication, those majoring in business, and those majoring in history, then simple random sampling is then applied to pick the required samples.