Which measure of central tendency is most appropriate for qualitative data (e.g., beauty, honesty)? MCQ with Answer and Explanation
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Question #1
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In a classroom, the average weight of 20 boys is 60 kg and that of 30 girls is 50 kg. The combined average weight of all students is:
Correct Answer: Option C
Explanation:
Combined mean = (20×60 + 30×50) / 50 = (1200+1500)/50 = 2700/50 = 54 kg.
Combined mean = (20×60 + 30×50) / 50 = (1200+1500)/50 = 2700/50 = 54 kg.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The population growth rate (r) in demography is the difference between:
Correct Answer: Option A
Explanation:
Growth rate includes natural increase (CBR-CDR) and net migration.
Growth rate includes natural increase (CBR-CDR) and net migration.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which type of classification is used when data is grouped according to time periods such as years, months, or quarters?
Correct Answer: Option A
Explanation:
Chronological classification organizes data based on time sequences, enabling analysis of trends, patterns, and changes over specific periods like years or months.
Chronological classification organizes data based on time sequences, enabling analysis of trends, patterns, and changes over specific periods like years or months.
This question belongs to:
Accountancy and Statistics
Statistics
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