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EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE 3. A research team studied the response of a participant to a dosage of medication. Dosages were randomly assigned to participants. The research team then measured each participant's response for n = 658 participants. The average response was 548.3, with an observed standard deviation of 128.4 (the divisor in the underlying variance calculation was n -1). The average dosage was 74.1, with an observed standard deviation of 29.5 (the divisor in the underlying variance calculation was also n -1). The correlation coefficient between the two variables was 0.76. The team sought to estimate the regression of participant response on the dosage of medication a. Complete the analysis of variance table for the regression of participant response on the dosage of medicine given the participant. Test the null hypothesis that the slope of this regression is zero at levels of significant 0.10, 0.05, and 0.01. This part is worth 30 points.to estimate the regression ant response on the dosage of medication. a. Complete the analysis of mance table for the regression of participant response on the dosage of medicine given the participant. Test the null hypothesis that the slope of this regression is zero at levels of significance 0.10, 0.05, and 0.01. This part is worth 30 points. Find the estimated regression equation of participant response on dosage. Find the 95% confidence interval for the slope in this equation. 20 points. Use the least-squares equation to estimate the response for participants whose assigned dosage was 125.0 What is the 95% confidence interval for the expected value of this response? This part is worth 20 points. T - ABC