Assignment- Discuss the four different scales of measurement and what types of information they convey. Provide examples of what types of tests or assessments would use each scale.

In order to apply one’s knowledge of tests and measurements, one has to first understand the basic concepts involved in defining and summarizing the numbers. The topics of variables, measurement scales, variability, and distributions are commonly discussed in relation to defining and interpreting test scores.
Discuss the four different scales of measurement and what types of information they convey. Provide examples of what types of tests or assessments would use each scale.
Discuss what measures of central tendency and measures of variability are and their use and purpose in understanding test scores in tests and measurements. How are the mean, median, mode, and standard deviation related to the various frequency distributions (i.e., positively skewed, negatively skewed, and symmetrical/normal curve)? What does the frequency distribution of scores say about the suitability of a test?

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