E. Select the best answer. Write the letter of your
answer on the space provided for each item.
1. Data collection can be done except
a, surveys
c. observing
b. experimenting
d. thinking
2. A type of data that comes from government,
industries and other sources,
a. Primary Data
c. Tertiary Data
b. Secondary Data
d. Mobile Data
3. Which type of sampling divides the
population into several clusters that will represent
the entire population?
a. Simple Random
c. Stratified
b. Systematic
d. Cluster
4. Which type of sampling uses k = N/n?
a. Simple Random
c. Stratified
b. Systematic
d. Cluster
5. Which sampling method needs the
population to be homogeneous?
a. Simple Random
c. Stratified
b. Systematic
d. Cluster​