The middle value in an ordered array is called the: MCQ with Answer and Explanation
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Question #1
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The probability that a leap year has 53 Mondays is:
Correct Answer: Option B
Explanation:
Leap year has 366 days = 52 weeks + 2 days. Favorable pairs with Monday: (Sun,Mon), (Mon,Tue) => 2/7.
Leap year has 366 days = 52 weeks + 2 days. Favorable pairs with Monday: (Sun,Mon), (Mon,Tue) => 2/7.
This question belongs to:
Accountancy and Statistics
Statistics
Question #2
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The geometric mean of a set of 5 positive observations is 6. Four of them are 3, 6, 4, and 9. The fifth observation is:
Correct Answer: Option B
Explanation:
G.M.^5 = 6^5 = 7776. Product of known four = 3*6*4*9 = 648. Fifth = 7776/648 = 12.
G.M.^5 = 6^5 = 7776. Product of known four = 3*6*4*9 = 648. Fifth = 7776/648 = 12.
This question belongs to:
Accountancy and Statistics
Statistics
Question #3
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In data classification, 'class width' refers to:
Correct Answer: Option C
Explanation:
Class width (or class size) is the difference between the upper and lower boundaries of a class interval, determining the range of values grouped together in a frequency distribution.
Class width (or class size) is the difference between the upper and lower boundaries of a class interval, determining the range of values grouped together in a frequency distribution.
This question belongs to:
Accountancy and Statistics
Statistics
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