Michael Short Stats 10 Lab 2

# Michael Short Stats 10 Lab 2 - Michael Short 803781208...

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Michael Short 803781208 Stats 10 Lab 2 Dis 2b Question 1 I would use a scatter plot to show the relationship between runs and another numerical variable. The relationship does appear to have somewhat of a positive linear relationship. The graph says that there appears to be a correlation between at bats and runs scored and may suggest a link between the two saying that the more at bats directly relates to more runs. Question 2 If I had to summarize my data with a single line I would put the line in a position where half of the data is above the line and the other half of the data is below the line. As I move the line to better fit the data the sum of squares decreases, because the line of best fit is the line where the sum of the squares is smallest, so as the line comes closer to the line of best fit the sum of the squares decreases. Question 3 The sum of squares using the least squares line versus the line I chose is much smaller. The line I chose had a sum of squares of 110000 compared to the least squares line which had a sum of squares of 102800.

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Question 4 Using the regression line one would predict that a team with 5,578 at bats in a season would score around 775 runs. This prediction is about 44.9 runs off based on the given
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Michael Short Stats 10 Lab 2 - Michael Short 803781208...

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