Exam 8: Measurement and Data Analysis

The zero point allows the evaluator to calculate and state the ratio between any two values on a scale.

Which of the following is concerned with whether measures are consistent with common agreements or images of a concept?

It is important to understand that a concept is an abstraction from reality that cannot be seen, but is present.

The standard deviation is the same value for all data.

When using ordinal level data, the numbers classify the characteristics of the operational definition.

Which of the following is concerned with the relationships among the variables?

When an evaluator is using nominal level data it allows the evaluator to be able to group data in a way that indicates if some data contain more or less information.

The mode is the average score in the distribution.

In the ________________, the frequencies or means are plotted on the vertical axis and the values for the attributes are placed on the horizontal axis.

Hypothesis testing is the crucial element of inferential statistics.

Statistics are not "magical," or come with all of the answers, but statistics are tools that provide information to aid decision making.

Which of the following is the determination of whether the items are behaving in the manner that they should be behaving?