A __________ correlation coefficient means that decreases in X are associated with decreases in Y; a __________ correlation coefficient means that decreases in X are associated with increases in Y.
a. positive; negative
b. zero; negative
c. negative; positive
d. positive; zero
Question 2
In a recent study, Mary found a correlation coefficient of .83 between the two variables, foot size and score on the math final. She concludes that these two variables have a strong ________ correlation.
a. negative
b. positive
c. binary
d. continuous
Atmospheric pressure decreases as altitude increases.
Gangrene of the toes and foot as a result of an infection often means eventual amputation.
Surface magnetic field of SU Aur (a young star of T Tauri type), reconstructed by means of Zeeman-Do
Correlation Between Video Games and Spatial Skills in Youth
Correlation Coefficient, r (Chart)
Table - Correlation Analysis