The main purpose of classification is to: MCQ with Answer and Explanation
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Question #1
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Assertion (A): Direct personal investigation is always the most suitable method for data collection. Reason (R): It provides original and highly accurate data.
Correct Answer: Option C
Explanation:
Direct personal investigation is not always suitable, especially for very large populations, although it does yield highly accurate data.
Direct personal investigation is not always suitable, especially for very large populations, although it does yield highly accurate data.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If two events A and B are independent, the probability that both occur is 0.2 and P(A)=0.5, then P(B) is:
Correct Answer: Option D
Explanation:
P(A)P(B)=0.2 => 0.5×P(B)=0.2 => P(B)=0.4.
P(A)P(B)=0.2 => 0.5×P(B)=0.2 => P(B)=0.4.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Which of the following measures of central tendency is based on all observations and is most affected by extreme values?
Correct Answer: Option A
Explanation:
Arithmetic mean uses every value and is pulled towards outliers.
Arithmetic mean uses every value and is pulled towards outliers.
This question belongs to:
Accountancy and Statistics
Statistics
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