Assertion (A): The population of India is increasing but the decadal growth rate has declined between 2001-2011 compared to 1991-2001. Reason (R): The total fertility rate in India has been declining. Choose the correct option: MCQ with Answer and Explanation
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Question #1
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The mean of 15 observations is 40. It was found that an observation 23 was wrongly recorded as 32. The correct mean is:
Correct Answer: Option D
Explanation:
Correct sum = 15 × 40 - 32 + 23 = 600 - 9 = 591. Correct mean = 591/15 = 39.4.
Correct sum = 15 × 40 - 32 + 23 = 600 - 9 = 591. Correct mean = 591/15 = 39.4.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Neonatal mortality refers to deaths during the first:
Correct Answer: Option D
Explanation:
Neonatal period is the first 28 days of life.
Neonatal period is the first 28 days of life.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The main purpose of classification is to:
Correct Answer: Option A
Explanation:
Classification organizes data into homogeneous groups for analysis.
Classification organizes data into homogeneous groups for analysis.
This question belongs to:
Accountancy and Statistics
Statistics
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