10. Knowledge arrived at by consensus or majority agreement:

is the most trustworthy of all types of knowledge.

is to be avoided.

takes too long to obtain.

is often in error.

11. The standard deviation of a sampling distribution of means is called:

the standard error of measurement.

a z-score.

the standard error of the mean.

the standard error of the difference in means.

12. The standard deviation tells how:

an individual compares to a group.

much the scores in a distribution are spread out.

highly one variable is related to another.

one group compares in level of performance to another.