This is Dataplot data file SNED136.DAT
Snedecor & Cochran Linear Regression Example:
Women's Systolic Blood Pressure versus Age
Question: What linear function related blodd pressure to age?
Source--Snedecore, George W. and Cochran , William G. (1937).
Statistical Methods. Sixth Edition.
The Iowa State University Press, Ames, Iowa, page 136.
Number of observations = 5
Number of variables per line image = 2
Order of variables on a line image--
1. Response Variable Y = Systolic Blood Pressure
2. Factor 1 = Age
To read this into Dataplot--
SKIP 25
READ SNED136.DAT Y X
Y X
Blood Pressure Age
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114 35
124 45
143 55
158 65
166 75