Answered: The accompanying summary data on CeO2…

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

a.what proportion of the observations are less than 5?

b. What proportion of the observations are at least 6?

c. Construct a histogram with relative frequency on the vertical axis and comment on interesting features. In particular does the distribution of particle sizes appear to be reasonably symmetric or somewhat skewed?

d.Construct a histogram with density on the vertical axis and compare to the histogram in (c).

The accompanying summary data on CeO2 particle sizes (nm) under certain
experimental conditions was read from a graph in the article “Nanoceria-Energetics of
Surfaces, Interfaces and Water Adsorption" (J. of the Amer. Ceramic Soc., 2011: 3992-
3999):
3.0-<3.5 3.5-<4.0 | 4.0-<4.5| 4.5-<5.0 5.0-<5.5
5
15
27
34
22
5.5-<6.0 | 6.0-<6.5 | 6.5–<7.0 | 7.0–<7.5 7.5-<8.0
14
7
2
4
1

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