8. Given the following VO2 (in ml/kg/min) data set for a group of trained and a group of untrained athletes, calculate the mean for each group. Trained Athletes: 70, 62, 58, 65, 61, 68, 72, 55 Untrained Athletes: 55, 52, 48, 53, 46, 42, 51, 58 Plot the mean data using the appropriate type of graph and answer the following questions: a. What are the independent and dependent variables in this graph? Which variable goes on each of the X-axis and the Y-axis? b. Write a few sentences to describe these results. Is there a difference in VO₂ between these two groups? If yes, describe the difference.

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A: The following solution is provided below:

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A: