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UB001
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15 Jan 2019, 08:21
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B
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Find the mean of the data.
1. The data has 8 data values
2. The data is 3, 4, 5, 6, 4, 1, 0, 5
1. The data has 8 data values
2. The data is 3, 4, 5, 6, 4, 1, 0, 5
15 Jan 2019, 10:27
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The answer is B.
in order to find the mean, we need the number of values (n) and the actual values.
A - no data on the actual values - insufficient!
B - both the actual values and the number of values (just count them) - sufficient!
in order to find the mean, we need the number of values (n) and the actual values.
A - no data on the actual values - insufficient!
B - both the actual values and the number of values (just count them) - sufficient!
udaypratapsingh99
Joined: 12 Jan 2019
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Concentration: Strategy, Leadership
Schools: Fuqua '24 Harvard '24 LBS '24 NTU NUS Said '23 Ross '24 Sloan '24 Stanford '24 Tepper '24 Tuck '24 Wharton '24 Yale '24
GMAT 1: 660 Q47 V34
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Schools: Fuqua '24 Harvard '24 LBS '24 NTU NUS Said '23 Ross '24 Sloan '24 Stanford '24 Tepper '24 Tuck '24 Wharton '24 Yale '24
GMAT 1: 660 Q47 V34
Posts: 399
Kudos:
236
15 Jan 2019, 21:45
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When we arrange data in increasing order, middle value is the mean.
Statement 1; doesn't tell us what middle value might be. Thus insufficient.
Statement 2: give us all the data. Here if we arrange increasing order, 0,1,3,4,4,5,5,6
We can clearly see, 4 is middle value and thus mean.
Thus it is sufficient.
Answer is B
Posted from my mobile device
Statement 1; doesn't tell us what middle value might be. Thus insufficient.
Statement 2: give us all the data. Here if we arrange increasing order, 0,1,3,4,4,5,5,6
We can clearly see, 4 is middle value and thus mean.
Thus it is sufficient.
Answer is B
Posted from my mobile device
