Difference Between Standard Scores & Z-Scores?

Answer Students are subject to all kinds of state and national tests now to determine how much they have learned compared to other students in the same state or country. Educators, and politicians, need s... Read More »

Top Q&A For: Difference Between Standard Scores & Z-Scores

What are minimum passing scores for standardized test scores in North Carolina?

The raw score received is the number of questions answered correctly. The Achievement Level shows the level of performance; there are typically four levels. Level Three of the achievement level is ... Read More »

How to Compare & Contrast the Functions of Z-Scores, T-Scores & Percentile Ranks?

Statistics is a branch of mathematics that provides tools for gathering, summarizing and analyzing data. The proper use of statistical tools will also enable you to develop meaningful generalizatio... Read More »

The intelligence test scores of adopted children are least likely to be positively correlated with the scores of their adoptive siblings during what age?

How to Convert Percentiles to Standard Scores?

Percentiles are probably the most commonly quoted test score in education and indicate a student's ranking compared to a hypothetical group of 100 similar students of the same age, for the same tes... Read More »