In a normal distribution of scores, which of the following is true?
a. About 5 percent of the scores are more than two standard deviations from the mean.
b. The mean score is always 0.
c. Most scores are located in the two tails at either end of the distribution.
d. The standard deviation indicates the arithmetic average score.
Question 2
What does it mean if the standard deviation of a distribution of quiz grades is 0?
a.
An equal number of people received each grade (A, B, C, D, and E).
b.
The distribution is a normal, bell-shaped curve.
c.
Everyone in the class received the same grade or score.
d.
Everyone in the class received a different grade.
Independent assortment produces 50 percent recombinants
Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ...
Normal rainfall has a concentration of OH- that is 3.99 × 10-9. The concentration of H3O+ in ...
The obese (ob) mouse mutant, shown on the left (a normal mouse is on the right), has provided many c
Expulsion of fetus and afterbirth during normal delivery. The afterbirth consists of the placenta, t
Regulatory effects of the vascular endothelium in normal and pathologic states