"Constructed teaching data: these values were invented for this activity, not collected in an experiment." Dataset ID, Conditions,"Identical cups and 150 mL each;22°C air;10 min. Starts differ by2°C, above the protocol’s0.5°C matching limit. One paired comparison, not repeated trials." Units,"""Temperature: °C; time: minutes; volume: mL""" Setup,Start °C,After 10 min °C Y,12.0,15.0 Z,14.0,16.0