Consider the following statements: 1. Weighted mean considers the relative importance of different items. 2. Combined mean depends on group sizes and group means. 3. Arithmetic mean is always the best measure for skewed data. Which is/are correct? MCQ with Answer and Explanation
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Question #1
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The probability of drawing a king or a spade from a deck of cards is:
Correct Answer: Option A
Explanation:
4 kings + 13 spades - 1 king of spades = 16 favorable, probability = 16/52 = 4/13.
4 kings + 13 spades - 1 king of spades = 16 favorable, probability = 16/52 = 4/13.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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If a population has a TFR of 2.0 and NRR of 0.9, this implies:
Correct Answer: Option B
Explanation:
Even though TFR is near replacement, NRR
Even though TFR is near replacement, NRR
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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The current base year of WPI (wholesale price index) in India is:
Correct Answer: Option A
Explanation:
The revised WPI series uses 2011-12 as base.
The revised WPI series uses 2011-12 as base.
This question belongs to:
Accountancy and Statistics
Statistics
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