13th Edition

ISBN: 9781323774731

Author: Triola

Publisher: PEARSON

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Chapter 11.1, Problem 23BSC

Ben ford’s Law. According to Benford’s law, a variety of different data sets include numbers with leading (first) digits that follow the distribution shown in the table below. In Exercises 21-24, test for goodness-of-fit with the distribution described by Benford’s law.

Chapter 11.1, Problem 23BSC, Ben fords Law. According to Benfords law, a variety of different data sets include numbers with

23. Tax Cheating? Frequencies of leading digits from IRS tax files are 152, 89, 63, 48, 39, 40, 28, 25, and 27 (corresponding to the leading digits of 1, 2, 3, 4, 5, 6, 7, 8, and 9, respectively, based on data from Mark Nigrini, who provides software for Benford data analysis). Using a 0.05 significance level, test for goodness-of-fit with Benford’s law. Does it appear that the tax entries are legitimate?

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Chapter 11.1, Problem 22BSC

Chapter 11.1, Problem 24BSC

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Chapter 11 Solutions

ELEMTARY STATISTICS W/STATLAB(LL)

Ch. 11.1 - Cybersecurity The table below lists leading digits...Ch. 11.1 - 2. Cybersecurity When using the data from Exercise...Ch. 11.1 - Cybersecurity The accompanying Statdisk results...Ch. 11.1 - Cybersecurity What do the results from the...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...Ch. 11.1 - In Exercises 520, conduct the hypothesis test and...

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Solution Summary: The author explains that there is no evidence to reject the claim that the leading digits of IRS tax files are taken from a population distribution that follows Benford's law.

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