Events & Promotions
|
|
GMAT Club Daily Prep
Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.
Customized
for You
Track
Your Progress
Practice
Pays
Not interested in getting valuable practice questions and articles delivered to your email? No problem, unsubscribe here.
Apr 2711:00 AM EDT
-12:00 PM EDT
Prefer video-based learning? The Target Test Prep OnDemand course is a one-of-a-kind video masterclass featuring 400 hours of lecture-style teaching by Scott Woodbury-Stewart, founder of Target Test Prep and one of the most accomplished GMAT instructors
Apr 2808:00 AM PDT
-11:00 AM PDT
Whether you are just beginning your MBA journey or fine-tuning your path to a 700+ score, GMAT Day is designed to give you a competitive edge.
12 Nov 2023, 12:07
Kudos
Bookmarks
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 1031
sessions
History
Date
Time
Result
Not Attempted Yet
Attachment:
14.jpg [ 33.03 KiB | Viewed 16212 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 .
ShowHide Answer
Official Answer
Dropdown 1: Z
Dropdown 2: B
Using official mocks already?
Add GMAT Club Tests for harder practice, analytics, and explanations without overlapping Official Guide or official mock questions.
Try it now →
GMATCoachBen
Expert
Tutor
Joined: 21 Mar 2017
Last visit: 26 Apr 2026
Posts: 463
Given Kudos: 215
Status:Professional GMAT Trainer
Affiliations: GMAT Coach
Location: United States (WA)
GMAT Focus 1: 775 Q87 V90 DI88 (Online) 
GMAT 1: 760 Q50 V44
GMAT 2: 770 Q51 V44
GMAT 3: 770 Q50 V44
GMAT 4: 770 Q50 V45 (Online)
GMAT 5: 780 Q51 V48
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.
Kudos
Bookmarks
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)
Attachments
2023-11-21 18_07_07-.png [ 301.86 KiB | Viewed 15664 times ]
General Discussion
30 Nov 2023, 00:43
Kudos
Bookmarks
Sajjad1994 can you please explain part 2 ?
