All bell-shaped curves _________.
a. are normal curves c. are symmetrical
b. have means = 0 d. a and c
Question 2
A distribution of raw scores is positively skewed. You want to transform it so that it is normally distributed. Your friend, who fancies herself a statistics whiz, advises you to transform the raw scores to z scores; that the z scores will be normally distributed. You should _________.
a. ignore the advice because your friend flunked her last statistics test
b. ignore the advice because z distributions have the same shape as the raw scores.
c. take the advice because z distributions are always normally distributed
d. take the advice because z distributions are usually normally distributed
Deviation of Normal Posture
(A) The male pelvis (android) is shaped like a funnel, forming a narrower outlet than the female. (B
Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
EEG recordings showing the differences between normal, absence seizure, and generalized tonic–clonic
Normal ECG tracing.
Normal oxygen sensor frequency is from about one to five times per second.