Welsh, Davis, Burke, and Williams (2002) conducted a study to evaluate the
effectiveness of a carbohydrate-electrolyte drink on sports performance and
endurance. Experienced athletes were given either a carbohydrate-electrolyte drink or
a placebo while they were tested on a series of high-intensity exercises. One measure
was how much time it took for the athletes to run to fatigue. Data similar to the
results obtained in the study are shown in the following table.
Time to run to fatigue (in minutes)
Mean SE
Placebo------------21.7 2.2
Carbohydrate-electrolyte--------2.28 2.7
a) Construct a bar graph that incorporates all of the information in the table.
b) Looking at your graph, do you think the carbohydrate-electrolyte drink helps
performance?
I have no idea where or how to approach this. Please Help.
1 answer
2 answers