This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.
View Full Document
Unformatted text preview: be bigger since regression line is not as steep. 4. (8pts) (1) (2pts) Sample 1 2 3 4 5 ave sd x 14 16 6 11 12 11.8 3.37 y 108 110 145 121 118 120.4 13.22 xy 1512 1760 870 1331 1416 1377.8 r =0.96 (2) (1pt) m =3.78 1 2 (3) (1pt) b = 164.98 (4) (1pt) predicted y =3.8 x + 165, must include the word predicted. (5) (1pt) No. (6) (1pt) Association is not causation. (7) (1pt) Interpretation of the slope: people who eat more meals cooked by vegetable oil tend to be lighter. If one person eats one more such meal per week than another person, the rst person will be, on average, about 3.8 pounds lighter....
View Full
Document
 Spring '09
 IBSER
 Statistics

Click to edit the document details