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Use Excel and the attached data set to run a regression and make any necessary additional calculations to fill in the blank spaces. Use a

Use Excel and the attached data set to run a regression and make any necessary additional calculations to fill in the blank spaces. Use a 95% confidence level (.05 alpha) for all calculations requiring that information. Do not use any rounded values in any of your calculations. Round all your answers to 4 decimal places. Do not include any leading zeros in your responses for numbers that cannot be greater than 1. If the value is discrete, enter it as a whole number.

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The intercept (was / was not) signicant. For the rest of your responses, assume that the intercept was signicant, even if it was not. Approximately % of the variation in widget sales is explained by the regression. There are high leverage observations in the data set. There are unusual residuals based on the empirical rule. The prediction interval margin of error is when the value of the independent variable is 450. V is when the value of buggy whip sales is 618

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