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The table provides select information for turtle nest count estimates

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Sajjad1994
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The table provides select information for turtle nest count estimates [#permalink] New post   28 Aug 2020, 23:48
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41% (03:08) correct 59% (03:14) wrong based on 76 sessions
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The table provides select information for turtle nest count estimates and trends at several individual Japanese beaches.
BeachPast estimate
(year)		Past estimate
(nests/year)		2013 estimate
(nests/year)		Prefecture
Akabane19922939Aichi
Atsumi19961950Aichi
Hiwasa19797618Tokushima
Inakahama19865402504Kagoshima
Itoman1992419Okinawa
Kujukuri20041539Chiba
Maehama19896111637Okinawa
Minaba Senri1985162236Wakayama
Miyazaki19856071143Miyazaki
Nagahama1997106612Okinawa
Ohgi & Shimonokae1995930Okayama
Okata19911937Yamaguchi
Shima Peninsula20002543Mie
Shingu19891515Fukuoka
Toyohashi19953020Aichi
(Sort ↕ the table by clicking on the headers)

For each of the following statements, select True if the statement can be verified to be true based on the information provided. Otherwise, select False.
True False Statement
The greatest annual increase in estimated turtle nests experienced by any of the individual beaches was larger than 15%.
None of the prefectures listed reported a decrease in the number of turtle nests per year from their past estimate to the 2013 estimate.
If Maehama Beach experienced a constant percentage rate increase of estimated turtle nests beginning in 1989, it can be estimated that there would be more than 2,000 estimated nests on the beach by the year 2020.
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The greatest annual increase in estimated turtle nests experienced by any of the individual beaches was larger than 15%.: True None of the prefectures listed reported a decrease in the number of turtle nests per year from their past estimate to the 2013 estimate.: False If Maehama Beach experienced a constant percentage rate increase of estimated turtle nests beginning in 1989, it can be estimated that there would be more than 2,000 estimated nests on the beach by the year 2020.: True
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   01 Sep 2020, 07:40
I know this is a really silly question but can anyone explain the answer to : The greatest annual increase in estimated turtle nests experienced by any of the individual beaches was larger than 15%. ?

thanks
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   01 Sep 2020, 13:04
kntombat wrote:
I know this is a really silly question but can anyone explain the answer to : The greatest annual increase in estimated turtle nests experienced by any of the individual beaches was larger than 15%. ?

thanks

Check Nagahama!!!

PS : No questions are silly bro, we are all learners..........
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   05 Apr 2023, 06:49
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Can someone post the original explanation/solution? I have some doubts about my method to arrive at the right answer.

Regarding the first statement, Nagahama increased from 106 to 612, which is almost 500 % growth in close to 16 years. So annually it will grow at 500 / 16 ~ 31 % so greater than 15 %

Is this correct?
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   10 Jun 2023, 04:35
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Quote:
Q#3
If Maehama Beach experienced a constant percentage rate increase of estimated turtle nests beginning in 1989, it can be estimated that there would be more than 2,000 estimated nests on the beach by the year 2020.


For this question, please let me know whether my understanding is correct or not -

From 1989 to 2013 (24 years) the percentage growth is = [(1637-611)/(611) * 100] = 167%

So annual growth will be around 167/24 = ~7%

Using this rate we can confidently say that within the next 3 years, there would be more than 2,000 estimated nests on the beach.

Please help.
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   05 Oct 2023, 01:36
arya251294 wrote:
Quote:
Q#3
If Maehama Beach experienced a constant percentage rate increase of estimated turtle nests beginning in 1989, it can be estimated that there would be more than 2,000 estimated nests on the beach by the year 2020.


For this question, please let me know whether my understanding is correct or not -

From 1989 to 2013 (24 years) the percentage growth is = [(1637-611)/(611) * 100] = 167%

So annual growth will be around 167/24 = ~7%

Using this rate we can confidently say that within the next 3 years, there would be more than 2,000 estimated nests on the beach.

Please help.


Yup, used the same logic to arrive at 1637*(1.07)^7 = 2628.66 turtle nests.
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   18 Mar 2024, 09:35
Abhishek009 wrote:
kntombat wrote:
I know this is a really silly question but can anyone explain the answer to : The greatest annual increase in estimated turtle nests experienced by any of the individual beaches was larger than 15%. ?

thanks

Check Nagahama!!!

PS : No questions are silly bro, we are all learners..........

­   annual increase of Nagahama is 23.8679% Am i right???
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The table provides select information for turtle nest count estimates [#permalink] New post   11 Apr 2024, 11:03
Shouldn't we consider compound interest for annualized interest? If we consider compound interest , annualized interest comes around 11.5%­ for Nagahama
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   18 Apr 2024, 01:41
Can some help with he first part of this question ? Shingu and Toyohashi have been have shown constant, falling nests/year respectively - how can we be sure if they had shown more 15% growth in "some" year ??­
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   18 Apr 2024, 02:03
dhruvshawarma wrote:
Can some help with he first part of this question ? Shingu and Toyohashi have been have shown constant, falling nests/year respectively - how can we be sure if they had shown more 15% growth in "some" year ??­

­Question is about if there is atleast "one beach" which had grown more than 15%. We need to find a single beach which had grown more than 15%.
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Re: The table provides select information for turtle nest count estimates [#permalink] New post   19 Apr 2024, 07:36
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IMO, statement 1 is ambiguously worded because of the phrase "any of the beaches" - Example: If I say "True, the greatest annual increase in estimated turtle nests experienced by any of the individual beaches was larger than 15%" - How would you perceive it? It would literally mean that if ANY of the beaches is chosen from the list, it will have greater than 15% "annual" growth. And this is not Must be True.

IMO, the wording of this question needs to be updated to make it clearer.
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Re: The table provides select information for turtle nest count estimates [#permalink]
19 Apr 2024, 07:36
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