Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

b. Download the spreadsheet Benford's Law Excel Worksheet.xIsx _ for this problem and follow the steps in the article to analyze whether the invoice data

image text in transcribed

image text in transcribedimage text in transcribed
b. Download the spreadsheet Benford's Law Excel Worksheet.xIsx _ for this problem and follow the steps in the article to analyze whether the invoice data conforms to Benford's Law. Your spreadsheet should: 1. Display the first digit for each invoice amount (Hint: You may need to use the Value and Left functions). 2. Complete the columns for "Expected #" and "Actual #" for the data set 3. Use a formula in cell F13 that calculates the sample size 4. Use a formula in cell G15 to calculate the chi-square test value comparing the actual and expected distribution of leading digits of invoice amounts 5. Create a chart that compares the actual and expected frequencies for the leading digits for invoice amountsB C E F G H Invoice # Amount First digit Expected Frequency of First Digit according to Benford's Law. 2725 $8,745 Digit Expected Expected Actual # 2726 $9,277 30. 10%% 2727 $3,195 17.60% 2728 $4,355 12.50% 2729 $7,733 9.60% 2730 $4,155 7.90% 2731 $2.639 6.70% 2732 $5,273 5.80% 2733 $8,162 5. 10% 2734 $9,133 4.60% 12 2735 $5,731 13 2736 $4,400 Sample size = 14 2737 $8,522 15 2738 $9,725 Chi-square test value = 16 2739 $1,200 17 2740 $2,856 18 2741 $8,163 19 2742 $3,375 20 2743 $2,621 21 2744 $7,199 22 2745 $4,150 23 2746 $9,725 24 2747 $8,239 25 2748 $5,188 26 2749 $2,267 27 2750 $8.790 28 2751 $9,745 29 2752 $1.724 30 2753 $3.911 31 2754 $7/419 32 33

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image

Step: 3

blur-text-image

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Trigonometry

Authors: Mark Dugopolski

4th Edition

0321915496, 9780321915498

More Books

Students also viewed these Mathematics questions