Construct a 95\% confidence interval for the slope of the regression line. Round your answers to two decimal places, if necessary. Number of Tardies and Final Exam Grades Number of Tardies, x Final Exam Grade, y 8 71 7 75 7 70 6 74 5 81 2 89 1 91
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$\bar{x} = \frac{8+7+7+6+5+2+1}{7} = 5.43$ $\bar{y} = \frac{71+75+70+74+81+89+91}{7} = 78.71$ Show more…
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