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2 89.0 96.1 93.3 91. 88.4 88.9 91.6 90. 92. 89. 89. .4 3 91.6 90.5 93.7 .2 94.2 85.3 90.1 .3 90.9 89.9 91.8

2 89.0 96.1 93.3 91. 88.4 88.9 91.6 90. 92. 89. 89. .4 3 91.6 90.5 93.7 .2 94.2 85.3 90.1 .3 90.9 89.9 91.8

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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8. The following data are the octane ratings of several blends of gasoline. and histogram. 88.5 87.7 83.4 86.7 87.5 94.7 91.1 91.0 90.0 91.5 89.9 94.2 87.8 84.3 86.7 88.2 90.8 88.3 90.1 90.7 88.6 88.3 93.4 88.5 90.1 89.2 89.0 96.1 93.3 91.8 100.3 87.6 92.7 92.3 89.8 89.6 87.4 88.4 88.9 91.6 90.4 96.5 84.3 93.2 91.1 92.6 89.8 90.3 91.6 90.5 93.7 92.7 93.3 86.7 91.0 98.8 88.3 90.4 91.2 94.2 85.3 90.1 89.3 87.9 93.0 94.4 88.6 88.7 92.7 89.3 90.9 89.9 91.8 89.7 90.4 92.2 92.2 (a) Construct a relative frequency and a cumulative relative frequency distribution starting with the class interval 83.0 – 84.9. (b) Construct a histogram with heights equal to the relative frequencies. 2 (c) Construct an ogive (a graph of the upper class boundary versus the cumulative relative frequency).
Transcribed Image Text:8. The following data are the octane ratings of several blends of gasoline. and histogram. 88.5 87.7 83.4 86.7 87.5 94.7 91.1 91.0 90.0 91.5 89.9 94.2 87.8 84.3 86.7 88.2 90.8 88.3 90.1 90.7 88.6 88.3 93.4 88.5 90.1 89.2 89.0 96.1 93.3 91.8 100.3 87.6 92.7 92.3 89.8 89.6 87.4 88.4 88.9 91.6 90.4 96.5 84.3 93.2 91.1 92.6 89.8 90.3 91.6 90.5 93.7 92.7 93.3 86.7 91.0 98.8 88.3 90.4 91.2 94.2 85.3 90.1 89.3 87.9 93.0 94.4 88.6 88.7 92.7 89.3 90.9 89.9 91.8 89.7 90.4 92.2 92.2 (a) Construct a relative frequency and a cumulative relative frequency distribution starting with the class interval 83.0 – 84.9. (b) Construct a histogram with heights equal to the relative frequencies. 2 (c) Construct an ogive (a graph of the upper class boundary versus the cumulative relative frequency).
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