Benfords Law states that the first nonzero digits of numbers drawn at random from a large complex

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Benford€™s Law states that the first nonzero digits of numbers drawn at random from a large complex data file have the following probability distribution
align="center">Benford€™s Law states that the first nonzero digits of numbers

Suppose that n = 275 numerical entries were drawn at random from a large accounting file of a major corporation. The first nonzero digits were recorded for the sample.

Benford€™s Law states that the first nonzero digits of numbers

Use a 1% level of significance to test the claim that the distribution of first nonzero digits in this accounting file follows Benford€™s Law.
Please provide the following information.
(a) What is the level of significance? State the null and alternate hypotheses.
(b) Find the value of the chi-square statistic for the sample. Are all the expected frequencies greater than 5? What sampling distribution will you use? What are the degrees of freedom?
(c) Find or estimate the P-value of the sample test statistic.
(d) Based on your answers in parts (a)€“(c), will you reject or fail to reject the null hypothesis that the population fits the specified distribution of categories?
(e) Your conclusion in the context of the application.

Distribution
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Related Book For  book-img-for-question

Understanding Basic Statistics

ISBN: 9781111827021

6th Edition

Authors: Charles Henry Brase, Corrinne Pellillo Brase

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