See Table 8.22 for first day of swimup from a rainbow
trout ELS study. Evaluate the two controls for first day of swimup and decide
whether to combine them for further analysis or use only one control group.
Defend your choice. Then analyze first day of swimup from the ELS study data in
Table  8.22, both for NOEC using the Jonckheere–Terpstra test and from a
Poisson errors GLMM model. If possible, fit a Poisson errors regression model
and estimate EC10. Repeat the above treating day 42 as a right‐censored
observation.

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