1. Cybersecurity The table below 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 (from Table 11-1 in the Chapter Problem). a. Identify the notation used for observed and expected values. b. Identify the observed and expected values for the leading digit of 2. c. Use the results from part (b) to find the contribution to the X² test statistic from the category representing the leading digit of 2. Leading Digit 3 6. 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 2. Cybersecurity When using the data from Exercise 1 to test for goodness-of-fit with the distribution described by Benford's law, identify the null and alternative hypotheses.

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Author:Amos Gilat
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1. Cybersecurity The table below 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 (from
Table 11-1 in the Chapter Problem).
a. Identify the notation used for observed and expected values.
b. Identify the observed and expected values for the leading digit of 2.
c. Use the results from part (b) to find the contribution to the X² test statistic from the category
representing the leading digit of 2.
Leading Digit
3
6.
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
2. Cybersecurity When using the data from Exercise 1 to test for goodness-of-fit with the
distribution described by Benford's law, identify the null and alternative hypotheses.
Transcribed Image Text:1. Cybersecurity The table below 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 (from Table 11-1 in the Chapter Problem). a. Identify the notation used for observed and expected values. b. Identify the observed and expected values for the leading digit of 2. c. Use the results from part (b) to find the contribution to the X² test statistic from the category representing the leading digit of 2. Leading Digit 3 6. 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 2. Cybersecurity When using the data from Exercise 1 to test for goodness-of-fit with the distribution described by Benford's law, identify the null and alternative hypotheses.
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