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Author Archives: David Harvey
Affect of Slit Width, Scan Rate, and Response Time
The data set available here provides spectra for a solution of benzene in methanol recorded from 230290 nm using a PerkinElmer Lambda 4B spectrophotometer at different combinations of slit width, scan rate, and response time. The original spectra were collected … Continue reading
Penny Data Set
The data set available here contains masses for 100 circulating U. S. pennies. All pennies in these data sets were minted between 1962 and 1981, a period during which a penny’s composition was 95% copper and 5% zinc with a … Continue reading
Anscombe Data Set for Linear Regression
The importance of visually examining a regression line relative to the data on which the regression is based is a point that cannot be overemphasized. The Anscombe data set, created by the statistician F. J. Anscombe (American Statistician, February 1973, … Continue reading
Riboflavin HPLC Data
The data set available here is from the HPLC analysis of of riboflavin in urine. The Excel spreadsheet contains chromatographic data using a fluorescence detector with excitation at a wavelength of 340 nm and detection at a wavelength of 450 … Continue reading