Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel...
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Transcript of Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel...
![Page 1: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/1.jpg)
CHAPTER 8Number duplication testLast-two digits testCompletes the initial cycle of testsAccess and Excel
Prepared by:Mark J. Nigrini
Copyright © 2012 by Mark J. Nigrini. All rights reserved.
![Page 2: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/2.jpg)
NUMBER DUPLICATION
![Page 3: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/3.jpg)
NUMBER DUPLICATION Link to first-order large positive
spikes Link to summation large positive
spikes Numbers below thresholds Odd numbers that have occurred
often Relatively large counts Numbers linked to inefficiencies
![Page 4: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/4.jpg)
NUMBER DUPLICATION
![Page 5: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/5.jpg)
ACCESS STEPS
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ACCESS STEPS
![Page 7: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/7.jpg)
ACCESS DRILL DOWN
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DRILL DOWN RESULT
![Page 9: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/9.jpg)
COMPARE +VE AND -VE
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USING EXCEL
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LAST-TWO DIGITS TEST
![Page 12: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/12.jpg)
ACCESS STEPS
![Page 13: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/13.jpg)
INVOICE DATA RESULTS
![Page 14: Number duplication test Last-two digits test Completes the initial cycle of tests Access and Excel Prepared by: Mark J. Nigrini Copyright 2012 by Mark.](https://reader036.fdocuments.us/reader036/viewer/2022062413/5a4d1b6b7f8b9ab0599b35ca/html5/thumbnails/14.jpg)
SUMMARY Num Dup test looks at the actual numbers Separate tests for small and large +ve and -
ve Look for numbers associated with FTD spikes,
control thresholds, and psychological thresholds.
Last-two digits test looks for number invention Interesting results from invoices data Num Dup & LTD tests can be run in Access or
Excel