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
Supernova Light Curves
Normal combustion is a smooth, controlled burning of the air–fuel mixture.
If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ...
Phases of the normal walking gait.
People who are color-blind see colors differently. (a) Those with normal vision see the red leaves.
Survivorship curves for people in the United States in the early 20th and early 21st centuries