Question

population mean? c. How much error would you expect for a sample of n 100 scores? Welsch, 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 83 Time to run to fatigue (in minutes) MeanSE (standard error Placebo 21.7 28.6 2.2 2.7 Carbohydrate-electrolyte a. Construct a bar graph that incorporates al of the infarmation in the b. Looking at your graph, do you think that the carbohydrate-electrolyte table drink helps performance?

with a hand drawn bar graph for better clarification.

Answer 1