A frequency distribution with open-end intervals cannot be used to compute: MCQ with Answer and Explanation
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Question #1
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For a set of values, the sum of squared deviations is minimum when taken from:
Correct Answer: Option C
Explanation:
The arithmetic mean minimizes the sum of squared deviations.
The arithmetic mean minimizes the sum of squared deviations.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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In constructing a frequency distribution with exclusive class intervals, the upper limit of one class is:
Correct Answer: Option D
Explanation:
In exclusive class intervals, the upper limit is not included in the class; observations equal to the upper limit are counted in the next higher class to avoid overlap and ensure mutual exclusivity.
In exclusive class intervals, the upper limit is not included in the class; observations equal to the upper limit are counted in the next higher class to avoid overlap and ensure mutual exclusivity.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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Two dice are thrown simultaneously. The probability of getting a sum of 7 is:
Correct Answer: Option A
Explanation:
Favorable outcomes: (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) = 6. Total outcomes = 36. Prob = 6/36 = 1/6.
Favorable outcomes: (1,6), (2,5), (3,4), (4,3), (5,2), (6,1) = 6. Total outcomes = 36. Prob = 6/36 = 1/6.
This question belongs to:
Accountancy and Statistics
Statistics
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