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To study performance across multiple classes, the class size (number of students in the classroom) and the average student achievement for that class are recorded.

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To study performance across multiple classes, the class size (number of students in the classroom) and the average student achievement for that class are recorded. A scatterplot of LN(Achievement) versus Class Size shows a strong, negative, linear relationship. Output from a regression analysis is shown below. Regression Equation: LN(Achievement) = 5.779 - .025(Class Size) Predictor Coeff SE Coeff T p-value Constant 5.779 .2948 19.60 0.000 Class Size -.025 .0030 -8.33 0.000 S=.4871 R-sq = 84.4%: Based on the information provided above, answer the following. 1) True or False: Large class sizes cause average student achievement to decrease. 2) True or False: Larger values of class size are tend to produce larger values of LN(Achievement). 3) The correlation between class size and LN(Achievement) is (3 decimal places)

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