If you drop a pencil randomly on a scatterplot, what aspect are you changing as you move the pencil vertically on the page without rotating it?
a. the slope.
b. the intercept.
c. the correlation.
d. the residual.
B
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Tina, age 11, characterizes herself as a smart, friendly person who is helpful to others. Tina's views of herself are based on __________.
A. her physical skills B. abstract psychological characteristics C. her desire to be popular with her friends D. external activities relying on motor skills
What is the term for the biological cost of adapting to stress?
A. Allostatic load B. Homeostatic load C. Sympathetic load D. Parasympathetic load
Cochlear implants, or "artificial ears," restore hearing by
a. stimulating the bones of the middle ear. b. amplifying the vibrations at the oval window. c. amplifying the sounds through the bony cochlea. d. stimulating the auditory nerve directly.
Which of these statements about the correlation coefficient is true?
(a) it is a tool for helping us think that is very ancient; mentioned in the Old Testament. (b) it was first mentioned in the New Testament (c) it was mentioned in the Koran (d) it is basically a new idea, not much more than 100 years old (e) it was used by Galileo and Newton