If the mean of a set of 10 observations is 20, and 5 is added to each observation, what will be the new mean? MCQ with Answer and Explanation
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Question #1
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Which of the following is a component of population change?
Correct Answer: Option B
Explanation:
Population change is determined by the balance of births, deaths, and net migration.
Population change is determined by the balance of births, deaths, and net migration.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The formula for simple aggregative price index is:
Correct Answer: Option A
Explanation:
Simple aggregative index sums current prices and divides by sum of base prices, multiplied by 100.
Simple aggregative index sums current prices and divides by sum of base prices, multiplied by 100.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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A census is characterized by:
Correct Answer: Option D
Explanation:
A census involves counting and collecting demographic, social, and economic data from every member of a population within a defined territory at a particular reference time, ensuring comprehensive coverage.
A census involves counting and collecting demographic, social, and economic data from every member of a population within a defined territory at a particular reference time, ensuring comprehensive coverage.
This question belongs to:
Accountancy and Statistics
Statistics
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