(a) A number of Japanese black pine tree seedlings were planted in a rather inaccessible location to which researchers returned at the same time each year in order to measure their growth. The resulting data comprise the height of the young trees (measured on an effectively continuous scale of millimetres) and the age of the trees (1, 2, 3 or 4 years). (i) Name two graphical displays that are suitable for studying the distribution of the heights of the trees at age 1 year. Give a single reason for the suitability of both displays. (ii) Unfortunately, the young trees were susceptible to dying off, so the number of trees that remain alive at each age is also a variable of interest. Name a graphical display that is suitable for showing the number of trees alive at each age. Give a reason for your answer. (iii) Name two graphical displays that are suitable for studying the way that the heights of the trees depend on their ages. Give a separate reason for the suitability of each display.
(a) A number of Japanese black pine tree seedlings were planted in a rather inaccessible location to which researchers returned at the same time each year in order to measure their growth. The resulting data comprise the height of the young trees (measured on an effectively continuous scale of millimetres) and the age of the trees (1, 2, 3 or 4 years). (i) Name two graphical displays that are suitable for studying the distribution of the heights of the trees at age 1 year. Give a single reason for the suitability of both displays. (ii) Unfortunately, the young trees were susceptible to dying off, so the number of trees that remain alive at each age is also a variable of interest. Name a graphical display that is suitable for showing the number of trees alive at each age. Give a reason for your answer. (iii) Name two graphical displays that are suitable for studying the way that the heights of the trees depend on their ages. Give a separate reason for the suitability of each display.
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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