Brain size Does your IQ depend on the size of your brain A group of female college
Chapter 26, Problem 34(choose chapter or problem)
Brain size Does your IQ depend on the size of your brain? A group of female college students took a test that measured their verbal IQs and also underwent an MRI scan to measure the size of their brains (in 1000s of pixels). The scatterplot and regression analysis are shown, and the assumptions for inference were satisfied. Dependent variable is: IQ_Verbal R-squared = 6.5% s = 21.5291 df = 18 Variable Coefficient SE(Coeff) Intercept 24.1835 76.38 Size 0.098842 0.0884 a) Test an appropriate hypothesis about the association between brain size and IQ. b) State your conclusion about the strength of this association.
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