MED 7300 Midterm: STAT 145 UMN Exam2 Fall09
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For credit show or explain all answers: consider the scatterplot below of annual income and years of education of several men. Scatterplot of income vs education(yrs) e m o c n. Education(yrs) (a) (3 pts) describe the relationship between income and education in these men. Comment on the following: form, direction, and strength of the association. (b) (3 pts) an outlier is in the upper left hand corner of the scatterplot. Waist circumference (cm: measures of waist circumference and intra-abdominal fat from ct scans were collected on 25 men. Researchers are interested in predicting abdominal fat from measures of waist circumference. A scatterplot of the two variables showed a linear form. 2 and explain what this value means: each of the following statements contains a blunder. In an effort to be fair, she decides to choose the students who will go by random selection. A list of the 20 students appears below.
