(ii) How many appendectomies lasted at least two and a half hours? (iii) How many appendectomies lasted less than two and a half hours? (iv) How many appendectomies lasted two and a half hours or more? (v) What percentage of the appendectomies lasted two hours or more? (vi) What percentage of the appendectomies that did not last two hours or longer?
(ii) How many appendectomies lasted at least two and a half hours? (iii) How many appendectomies lasted less than two and a half hours? (iv) How many appendectomies lasted two and a half hours or more? (v) What percentage of the appendectomies lasted two hours or more? (vi) What percentage of the appendectomies that did not last two hours or longer?
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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Please answer ii until vi of 6 b. The previous questions have been answered. Thank you.
Transcribed Image Text:6. Twenty-five randomly selected, uncomplicated appendectomies lasted for the following
lengths of time (minutes):
113
118
121
123
126
128
130
135
136
137
138
139
140
140
142
142
142
142
143
155
157
157
158
159
164
a) Find the number of classes.
b) Generate a frequency distribution table for the above data using [110,120), [120,130), so
on. Give the frequencies (f), relative frequencies (f /n), cumulative frequencies (F) and
percentage cumulative Frequencies (%F).
(i)
How many appendectomies lasted between 140 and 150 minutes?
(ii)
How many appendectomies lasted at least two and a half hours?
(iii)
How many appendectomies lasted less than two and a half hours?
(iv)
How many appendectomies lasted two and a half hours or more?
(v)
What percentage of the appendectomies lasted two hours or more?
(vi)
What percentage of the appendectomies that did not last two hours or longer?
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