Inferential Statictics
posted by Summer .
Welsh, Davis, Burke, and Williams (2002) conducted a study to evaluate the
effectiveness of a carbohydrateelectrolyte drink on sports performance and
endurance. Experienced athletes were given either a carbohydrateelectrolyte drink or
a placebo while they were tested on a series of highintensity 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
Placebo21.7 2.2
Carbohydrateelectrolyte2.28 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 carbohydrateelectrolyte drink helps
performance?
I have no idea where or how to approach this. Please Help.

Inferential Statictics 
PsyDAG
We have no capability to construct a bar graph on the message board.
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