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22 Jun 2022, 13:45
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D
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Difficulty:
15%
(low)
Question Stats:
83% (01:06) correct
17%
(01:15)
wrong
based on 42
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The average of 100 observations was calculated as30. It was found later on that one of the observations was misread as 76 instead of 46. Find the correct average is:
(A) 40.3
(B) 39.7
(C) 30.3
(D) 29.7
(E) 27.7
(A) 40.3
(B) 39.7
(C) 30.3
(D) 29.7
(E) 27.7
Rohstar750
Joined: 01 Mar 2022
Last visit: 23 Nov 2024
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Concentration: Strategy, Leadership
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WE:Engineering (Consulting)
22 Jun 2022, 13:58
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(3000-76+46)/100 = 29.7 (D)
Posted from my mobile device
Posted from my mobile device
22 Jun 2022, 15:24
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Average is the summation of the data divided by the quantity of data.
Many GMAT questions require you work with the summation.
Many GMAT questions require you work with the summation.
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