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 Page 2 of 7 Refer to the data below. 38 42 26 22 30 42 36 42 5. The mean is: A. 34.75 B. 31.5 C. 36.75 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?
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
Page 2 of 7
Refer to the data below.
38 42 26 22 30 42 36 42
5. The
A. 34.75
B. 31.5
C. 36.75
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
Page 2 of 7
Refer to the data below.
38 42 26 22 30 42 36 42
5. The mean is:
A. 34.75
B. 31.5
C. 36.75
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
Page 2 of 7
Refer to the data below.
38 42 26 22 30 42 36 42
5. The mean is:
A. 34.75
B. 31.5
C. 36.75
D.33.5
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