The accompanying data table lists leading digits of 317 inter-arrival Internet traffic times for a computer, along with the frequencies of leading digits expected with Benford's law. The accompanying technology results are obtained when testing for goodness-of-fit with the distribution described by Benford's law, and H0 is rejected. What does this result suggest about the possibility that the computer has been hacked? Is there any corrective action that should be taken? Test Statistic, X^2: 20.9222 Critical X^2: 15.5073 P-Value: 0.0074 Leading Digit 1 2 3 4 5 6 7 8 9 Benford's Law 30.1% 17.6% 12.5% 9.7% 7.9% 6.7% 5.8% 5.1% 4.6% Leading Digits of Inter-Arrival Traffic Times 76 62 29 33 19 27 28 21 22
The accompanying data table lists leading digits of 317 inter-arrival Internet traffic times for a computer, along with the frequencies of leading digits expected with Benford's law. The accompanying technology results are obtained when testing for goodness-of-fit with the distribution described by Benford's law, and H0 is rejected. What does this result suggest about the possibility that the computer has been hacked? Is there any corrective action that should be taken? Test Statistic, X^2: 20.9222 Critical X^2: 15.5073 P-Value: 0.0074 Leading Digit 1 2 3 4 5 6 7 8 9 Benford's Law 30.1% 17.6% 12.5% 9.7% 7.9% 6.7% 5.8% 5.1% 4.6% Leading Digits of Inter-Arrival Traffic Times 76 62 29 33 19 27 28 21 22
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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The accompanying data table lists leading digits of 317 inter-arrival Internet traffic times for a computer, along with the frequencies of leading digits expected with Benford's law. The accompanying technology results are obtained when testing for goodness-of-fit with the distribution described by Benford's law, and H0 is rejected. What does this result suggest about the possibility that the computer has been hacked? Is there any corrective action that should be taken?
Test Statistic, X^2: 20.9222
Critical X^2: 15.5073
P-Value: 0.0074
| Leading Digit | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Benford's Law | 30.1% | 17.6% | 12.5% | 9.7% | 7.9% | 6.7% | 5.8% | 5.1% | 4.6% |
| Leading Digits of Inter-Arrival Traffic Times | 76 | 62 | 29 | 33 | 19 | 27 | 28 | 21 | 22 |
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