Which of the following means is most appropriate to find the average rate of population growth over a decade? MCQ with Answer and Explanation
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Question #1
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If the arithmetic mean of 8, 12, x, 6, 9 is 8, then x is:
Correct Answer: Option C
Explanation:
(8+12+x+6+9)/5 = 8 → 35 + x = 40 → x = 5.
(8+12+x+6+9)/5 = 8 → 35 + x = 40 → x = 5.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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Which of the following is a disadvantage of the mailed questionnaire method for primary data collection?
Correct Answer: Option A
Explanation:
Mailed questionnaires often suffer from low return rates, and respondents who reply may differ systematically from non-respondents, introducing bias that is difficult to assess or correct.
Mailed questionnaires often suffer from low return rates, and respondents who reply may differ systematically from non-respondents, introducing bias that is difficult to assess or correct.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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If there were 5000 live births in a year and the number of women aged 15-49 was 25,000, the GFR per 1000 women is:
Correct Answer: Option D
Explanation:
GFR = (5000 / 25000) × 1000 = 0.2 × 1000 = 200 per 1000 women.
GFR = (5000 / 25000) × 1000 = 0.2 × 1000 = 200 per 1000 women.
This question belongs to:
Accountancy and Statistics
Statistics
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