See Table 8.19 for data from a rainbow trout ELS study.
Evaluate the two controls for last day of hatching and decide whether to
combine them for further analysis or use only one control group. Defend your
choice. Then analyze last day of hatch both for NOEC using the
Jonckheere–Terpstra test and from a Poisson errors GLMM model using the
Dunnett–Hsu test. If possible, fit a Poisson errors regression model and
estimate EC10.

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