Chapter 4, Problem 1SP

What does a larger measure of variability communicate about: (a) the size of differences among the scores in a distribution? (b) how consistently the participants behaved? (c) how spread out the distribution is?

To determine

The larger measure of variability communicate about the size of differences among the scores in a distribution.

Explanation of Solution

The distance between the two points is also the distance between them. The big measure of variability indicates that the difference between the score is big.

To determine

The consistently behaved of participants.

Explanation of Solution

Consistency can be taken in contrast to reversibility. A big measure of variability indicates that there is less consistency in the data.

To determine

The spread of the distribution.

Explanation of Solution

The boundary of the difference determines the spread of data. The big measure of variability indicates that the data is more spreading.