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Whitlock & Schluter, The Analysis of Biological Data Se© 2020 W. H. Freeman and Company Site Abundance 1997-1999 Abundance 2012 1 2 3 4 5 6 7 8 9 10 11 12 549 525 366 595 322 429 444 494 255 445 274 385 576 626 394 682 376 469 570 502 316 481 327 434 Download the data in your preferred format. CSV Excel JMP Mac-Text Minitab PC-Text R SPSS TI CrunchIt! Compute the mean abundance of lianas on the dates of the two surveys. Give your answers to two decimal places.

Whitlock & Schluter, The Analysis of Biological Data Se© 2020 W. H. Freeman and Company Site Abundance 1997-1999 Abundance 2012 1 2 3 4 5 6 7 8 9 10 11 12 549 525 366 595 322 429 444 494 255 445 274 385 576 626 394 682 376 469 570 502 316 481 327 434 Download the data in your preferred format. CSV Excel JMP Mac-Text Minitab PC-Text R SPSS TI CrunchIt! Compute the mean abundance of lianas on the dates of the two surveys. Give your answers to two decimal places.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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**Study on the Abundance of Lianas in Tropical Forests** Rising atmospheric CO₂ and increased tree mortality linked to climate change are believed to contribute to the rising abundance of lianas (climbing woody vines) in tropical forests. A study by Laurance et al. (2014) assessed the number of lianas in 1-hectare plot sites within the primary Amazonian forest through two surveys. The initial survey occurred between 1997 and 1999, and a subsequent survey followed approximately 13.6 years later, in 2012. Below is a summary of findings from 12 sites. **Graphical Representation** The graph illustrates changes in liana abundance between the two survey periods. The y-axis represents liana abundance (stems/ha), ranging from 200 to 700. The x-axis marks the survey years, 1997–1999 and 2012. Each line connects results from the same site across both time points, consistently indicating either an increase or stability in abundance. **Data Summary in Table** | Site | Abundance 1997–1999 | Abundance 2012 | |------|---------------------|----------------| | 1 | 549 | 576 | | 2 | 525 | 626 | | 3 | 366 | 394 | | 4 | 595 | 682 | | 5 | 322 | 376 | | 6 | 429 | 469 | | 7 | 444 | 570 | | 8 | 494 | 502 | | 9 | 255 | 316 | | 10 | 445 | 481 | | 11 | 274 | 327 | | 12 | 385 | 434 | **Data Accessibility** Download the data in formats suitable for different statistical software: - CSV - Excel - JMP - Mac-Text - Minitab - PC-Text - R - SPSS - TI - CrunchIt! **Statistical Analysis** Compute the mean abundance of lianas for the survey years: - **Mean for 1997–99:** - **Mean for 2012:** Enter your calculated means to two decimal places.
Transcribed Image Text:**Study on the Abundance of Lianas in Tropical Forests** Rising atmospheric CO₂ and increased tree mortality linked to climate change are believed to contribute to the rising abundance of lianas (climbing woody vines) in tropical forests. A study by Laurance et al. (2014) assessed the number of lianas in 1-hectare plot sites within the primary Amazonian forest through two surveys. The initial survey occurred between 1997 and 1999, and a subsequent survey followed approximately 13.6 years later, in 2012. Below is a summary of findings from 12 sites. **Graphical Representation** The graph illustrates changes in liana abundance between the two survey periods. The y-axis represents liana abundance (stems/ha), ranging from 200 to 700. The x-axis marks the survey years, 1997–1999 and 2012. Each line connects results from the same site across both time points, consistently indicating either an increase or stability in abundance. **Data Summary in Table** | Site | Abundance 1997–1999 | Abundance 2012 | |------|---------------------|----------------| | 1 | 549 | 576 | | 2 | 525 | 626 | | 3 | 366 | 394 | | 4 | 595 | 682 | | 5 | 322 | 376 | | 6 | 429 | 469 | | 7 | 444 | 570 | | 8 | 494 | 502 | | 9 | 255 | 316 | | 10 | 445 | 481 | | 11 | 274 | 327 | | 12 | 385 | 434 | **Data Accessibility** Download the data in formats suitable for different statistical software: - CSV - Excel - JMP - Mac-Text - Minitab - PC-Text - R - SPSS - TI - CrunchIt! **Statistical Analysis** Compute the mean abundance of lianas for the survey years: - **Mean for 1997–99:** - **Mean for 2012:** Enter your calculated means to two decimal places.
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