Dataset:  michelson1931.csv

Source: Michelson, A.A., Pease, F.G. and Pearson, F. (1935). “Measurement of the Velocity of Light in a 
Partial Vacuum,” Astrophysical Journal, Vol. 82, pp. 26-61.

Description: 1010 observations of the speed of light in an approximately 1 mile tube taken near Santa Ana, CA.
Data are (approximately) deduced from Tables VI and VII. Not all data are able to be obtained.
For instructional (not scientific) use only.

Variable Names:
Series   (Measurements made in series or groups)
Year 
Mean   (average of measurements within series)
e      (residual from series mean)
velocity    (deduced measurement)
n       (number of observations in series)
weight  (weight assigned to individual measurement)
serTotWt   (sum of weights for observations in Series)
SeriesGrp   (1=2/19/1931-7/14/1931, 2=3/3/1932-5/13/1932, 3=5/13/1932-8/4/1932, 4=12/3/1932-2/27/1933)