called diatoms, is a measure of the abundance of life in the lake. A rather complex variable based on the ratio of certain isotopes relative to ocean water gives an indirect measure of moisture, mostly from snow. As we drill down, we look further into the past. Here is a scatterplot of data from 2300 to 12,000 years ago: 350 300 00 250 200 150 100 50- -21.8 -21.4 -21.0 -20.6 -20.2 -19.8 -19.4 Isotope (a) Identify the unusual point in the scatterplot. Explain what's unusual about this point.
called diatoms, is a measure of the abundance of life in the lake. A rather complex variable based on the ratio of certain isotopes relative to ocean water gives an indirect measure of moisture, mostly from snow. As we drill down, we look further into the past. Here is a scatterplot of data from 2300 to 12,000 years ago: 350 300 00 250 200 150 100 50- -21.8 -21.4 -21.0 -20.6 -20.2 -19.8 -19.4 Isotope (a) Identify the unusual point in the scatterplot. Explain what's unusual about this point.
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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Question
drilling down beneath a lake in alaska yields chemical evidence of past changes in climate. biological silicon, left by the skeletons of single celled creatures called diatoms, is a measure of the abundance of life in the lake. a rather complex variable based on the ratio of certain isotopes relative to ocean water gives an indirect measure of moisture, mostly from snow. as we drill down, we look further into the past, here is a scatterplot of data from 2300 to 12000 years ago
Transcribed Image Text:(b) If this point was removed, describe the effect on
i. the correlation.
ii. the slope and y intercept of the least-squares line.
Transcribed Image Text:called diatoms, is a measure of the abundance of life in
the lake. A rather complex variable based on the ratio of
certain isotopes relative to ocean water gives an indirect
measure of moisture, mostly from snow. As we drill down,
we look further into the past. Here is a scatterplot of data
from 2300 to 12,000 years ago:
350
300-
250
200
150
100-
50
0-
-21.8
-21.4
-21.0
20.6
-20.2 -19.8 19.4
Isotope
(a) Identify the unųsual point in the scatterplot. Explain
what's unusual about this point.
Silicon
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