Go to www.cengage.com/chemistry/skoog/fac9, choose Chapter 6, and go to the Web Works. Onc...

Go to www.cengage.com/chemistry/skoog/fac9, choose Chapter 6, and go to the Web Works. Once there, you will find a link to the NIST Statistical Reference Datasets site. Find the Dataset Archives and locate the Univariate Summary Statistics section, and select the Mavro data set. This actual data set is the result of a study by NIST chemist Radu Mavrodineaunu. His study was to determine a certified transmittance value for an optical filter. Click on the ASCII format data file. The data set at the bottom of the page contains 50 transmittance values collected by Mavrodineaunu. Once you have the data on the screen, use your mouse to highlight only the 50 transmittance values, and click on dit/opy (or use Ctrl-C) to place the data on the clipboard. Then start Excel with a clean spreadsheet, and click on dit/aste (Ctrl-V) to insert the data in column B. Now, find the mean and standard deviation, and compare your values to those presented when you click on Certified Values on the NIST Web page. Be sure to increase the displayed number of digits in your spreadsheet so that you can compare all of the digits. Comment on any differences between your results and the certified values. Suggest possible sources for the differences.