Sutton's Prolific Longpod seed was kindly supplied each autumn so that during the year a group of experiments could be carried out with seed from the same crop. When it was necessary to change to a new crop the standard deviation in growth rate was determined by a separate experiment.
No takes yet. Share an insight, caveat, or question.
Gray et al. (1951) studied this question.
Synapse has enriched 4 closely related papers on similar clinical questions. Consider them for comparative context: