Twenty schools in a province are selected for external moderation. This is an example of: A. Cluster sampling B. Stratified sampling C. Random sampling
1. Twenty schools in a province are selected for external moderation. This is an example of:
A. Cluster sampling
B. Stratified sampling
C. Random sampling
D. Systematic sampling
2. The “weakest” data type in terms of limited mathematical operations is:
A. Ratio-scaled data
B. Interval data
C. ordinal data
D. nominal data
3. Which ONE of the following statements is TRUE?
A. Temperature is an example of ratio-scaled data.
B. Ratio-scaled data has a defined “zero”.
C. Interval data cannot take on negative values.
D. Discrete data can take on any value
4. Marks obtained by students in a Chemistry test was adjusted because of an error in one of the
questions. The marks are now classified as:
A. Primary data
B. Secondary data
C. Regression data
D. External data
Step by step
Solved in 2 steps
