The scatterplot below shows the areas of some Galapagos Islands and the number of endemic species that exist on each island - use t to answer the questions that follow.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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The scatterplot below shows the areas of some Galapagos Islands
and the number of endemic species that exist on each island - use
it to answer the questions that follow.
SLR BASICS GALAPAGOS SCATTERPLOT
25
20
15
10
0.5
1
1.5
2
Area (sq.km)
Number of Endemic Species
Transcribed Image Text:The scatterplot below shows the areas of some Galapagos Islands and the number of endemic species that exist on each island - use it to answer the questions that follow. SLR BASICS GALAPAGOS SCATTERPLOT 25 20 15 10 0.5 1 1.5 2 Area (sq.km) Number of Endemic Species
(i) It seems that as area increases, the number of species
[ Select ]
. So the regression line, which is
not shown on the graph, would go bottom left to top right.
(ii) If we used the linear model to predict the number of endemic
species on an island whose area was 1.5 sq.km, then the predicted
number would be closest to [ Select ]
(ii) If R2 for the simple linear model was 43.9%, what was the
linear correlation coefficient for the data?
[ Select ]
(iv) None of the options here is the correct equation of the
regression line. However, your task here is to select the most likely
option. [ Select ]
Transcribed Image Text:(i) It seems that as area increases, the number of species [ Select ] . So the regression line, which is not shown on the graph, would go bottom left to top right. (ii) If we used the linear model to predict the number of endemic species on an island whose area was 1.5 sq.km, then the predicted number would be closest to [ Select ] (ii) If R2 for the simple linear model was 43.9%, what was the linear correlation coefficient for the data? [ Select ] (iv) None of the options here is the correct equation of the regression line. However, your task here is to select the most likely option. [ Select ]
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