In the theory of attributes, the class frequency (AB) denotes: MCQ with Answer and Explanation
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Question #1
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Consider the following statements about primary data: 1. It is collected directly by the investigator. 2. It is always more reliable than secondary data. 3. It is economical in terms of time and cost. Which of the statements is/are correct?
Correct Answer: Option A
Explanation:
Primary data is collected firsthand (1 correct). It is not necessarily more reliable than secondary data, and it is more expensive and time-consuming (2,3 false).
Primary data is collected firsthand (1 correct). It is not necessarily more reliable than secondary data, and it is more expensive and time-consuming (2,3 false).
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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An index number measures:
Correct Answer: Option B
Explanation:
Index numbers measure relative changes in a variable compared to a base period.
Index numbers measure relative changes in a variable compared to a base period.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The population of a country in 2020 was 100 million with a growth rate of 2% per year. Assuming exponential growth, the population in 2022 is approximately:
Correct Answer: Option B
Explanation:
Using compound formula: 100 × (1.02)^2 = 104.04 million.
Using compound formula: 100 × (1.02)^2 = 104.04 million.
This question belongs to:
Accountancy and Statistics
Statistics
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