The paper “Exercise Thermoregulation and Hyperprolactinaemia” (Ergonomics, 2005: 1547–1557) discussed how various aspects of exercise capacity might depend on the temperature of the environment. The accompanying data on body mass loss (kg) after exercising on a semi-recumbent cycle ergometer in three different ambient temperatures

(6°C, 18°C, and 30°C) was provided by the paper’s authors.

a. Does temperature affect true average body mass loss?
Carry out a test using a significance level of .01 (as did the authors of the cited paper).

b. Investigate significant differences among the temperatures.

c. The residuals are .20, .30, , , .30, .00, .03, , , .13, .23, , , .03, , , .33, , , , .67, .11, , .27, .01, , .24. Use these as a basis for investigating the plausibility of the assumptions that underlie your analysis in (a).