Identify the sampling technique used in each term.
Choose the letter of your choice below. A. Random Sampling
B. Stratified Sampling
C. Systematic Sampling
D. Cluster Sampling
E. Convenience Sampling
F. Snowball Sampling
1. The owner of the store writes all the names of the members of his staff in a piece of paper, and then draws 15 members who will be part of the survey.
2. A marketing staff member is conducting a survey and asks every 20th customer leaving the store.
3. A marketing staff member is conducting a survey and asks 100 customers who are leaving the store.
4. A marketing staff member is conducting a survey and asks 10 customers in each branch of the store.
5. A marketing staff member is conducting a survey and asks customers coming from the stores in Metro Manila only.
Choose the letter of your choice below. A. Random Sampling
B. Stratified Sampling
C. Systematic Sampling
D. Cluster Sampling
E. Convenience Sampling
F. Snowball Sampling
1. The owner of the store writes all the names of the members of his staff in a piece of paper, and then draws 15 members who will be part of the survey.
2. A marketing staff member is conducting a survey and asks every 20th customer leaving the store.
3. A marketing staff member is conducting a survey and asks 100 customers who are leaving the store.
4. A marketing staff member is conducting a survey and asks 10 customers in each branch of the store.
5. A marketing staff member is conducting a survey and asks customers coming from the stores in Metro Manila only.
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Answers & Comments
1. E. Convenience Sampling
2. C. Systematic Sampling
3. A. Random Sampling
4. B. Stratified Sampling
5. D. Cluster Sampling
Explanation:
1. Convenience Sampling involves selecting participants who are easy to reach and readily available. In this case, the owner of the store simply draws names from his staff to include in the survey without following a specific method or criteria.
2. Systematic Sampling involves selecting participants at regular intervals from a pre-determined list. In this case, the marketing staff member selects every 20th customer leaving the store for the survey.
3. Random Sampling involves selecting participants randomly from a population. In this case, the marketing staff member selects 100 customers leaving the store without following a specific method or criteria.
4. Stratified Sampling involves dividing a population into subgroups (or strata) and then selecting participants from each subgroup. In this case, the marketing staff member selects 10 customers from each branch of the store to ensure representation across multiple locations.
5. Cluster Sampling involves dividing a population into clusters (or groups) based on geographical or other factors and then randomly selecting clusters to survey. In this case, the marketing staff member surveys customers from stores located only in Metro Manila, which is a specific geographical cluster.