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12 Nov 2023, 12:07
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Dropdown 1: Z
Dropdown 2: B
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
5%
(low)
Question Stats:
86% (01:55) correct
14%
(02:03)
wrong
based on 1023
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Attachment:
14.jpg [ 33.03 KiB | Viewed 16179 times ]
The graph shows the average (arithmetic mean) mature tree heights of each of Species A-C at each of the Tree Farms W-Z.
Based on the information provided, select from each drop-down menu the option that creates the most accurate statement.
For the 4 tree farms, the sum of the average mature heights of Species A, B, and C is greatest for Tree Farm .
For the 3 species, the standard deviation of the 4 average mature heights given on the graph is greatest for Species .
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Dropdown 1: Z
Dropdown 2: B
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GMATCoachBen
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Expert reply
Updated on: 03 Jan 2024, 23:06
Originally posted by GMATCoachBen on 21 Nov 2023, 19:08.
Last edited by GMATCoachBen on 03 Jan 2024, 23:06, edited 2 times in total.
Last edited by GMATCoachBen on 03 Jan 2024, 23:06, edited 2 times in total.
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Short video solution here (1:53):
A key habit is to minimize calculations; most Data Insights questions don't really require the calculator, if we are quick with our fundamental arithmetic and number sense.
The biggest timesaver here is to use the differences between the values for farm Z and Y to compare them, instead of finding the actual sums. (Shown at 0:42)
A key habit is to minimize calculations; most Data Insights questions don't really require the calculator, if we are quick with our fundamental arithmetic and number sense.
The biggest timesaver here is to use the differences between the values for farm Z and Y to compare them, instead of finding the actual sums. (Shown at 0:42)
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2023-11-21 18_07_07-.png [ 301.86 KiB | Viewed 15632 times ]
General Discussion
30 Nov 2023, 00:43
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Sajjad1994 can you please explain part 2 ?
