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For the lap time data: |
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Find the sample size n. |
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Find the median. |
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Find the mode. |
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Find the sample mean. |
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Find the sample standard deviation. |
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Find the sample coefficient of variation CV. |
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For the split time data (x) and the distance data (y): |
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Calculate the slope of the best fit line. |
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Calculate the y-intercept for the data. |
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Is the correlation positive, negative, or neutral? |
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Determine the correlation coefficient. |
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Is the correlation none, low, moderate, high, or perfect? |
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Determine the coefficient of determination. |
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What percent in the variation in time explains the variation in distance? |
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What would be the predicted distance at thirty minutes? |
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What is the predicted time for a five kilometer run? |
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What is the predicted time for a 80 kilometer run around Pohnpei? |
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Construct a 95% confidence interval for the lap times. |
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Is the lap time statistically significantly different from a 2.47 minute lap time? |
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