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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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Subparts 1-6 are already solved. Please solve subpart no. 7.
Using the following sample numbers below, answer the following:
125
118
125
128
124
126
124
119
123
123
120
130
120
126
127
119
117
118
121
123
120
124
116
119
121
120
115
120
121
120
1. Draw a histogram for the sample numbers below
2. What is the sample size?
3. What is the sample mean?
4. What is the sample standard deviation?
5. Compute for the 95% confidence interval
6. Explain the meaning of the interval in number 5.
7. Suppose that a 90% confidence interval is required compute the new interval, and compare it with number 5.
Transcribed Image Text:Using the following sample numbers below, answer the following: 125 118 125 128 124 126 124 119 123 123 120 130 120 126 127 119 117 118 121 123 120 124 116 119 121 120 115 120 121 120 1. Draw a histogram for the sample numbers below 2. What is the sample size? 3. What is the sample mean? 4. What is the sample standard deviation? 5. Compute for the 95% confidence interval 6. Explain the meaning of the interval in number 5. 7. Suppose that a 90% confidence interval is required compute the new interval, and compare it with number 5.
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