Exercise 3 solution

What it says: a 2022 study by researchers at the University of Maryland, College Park observed that the lifespan of caged worker bees is half as long as that observed 50 years ago.
What it only hypothesises: that shorter worker lifespans should correlate with lower honey production.

Sample things to find out: (1) whether results from caged bees apply to bees living in hives; (2) the study's sample size and method; (3) what changed in the 50 years (the article does not say). Any two sensible questions are fine.