Matilda is interested in number of books read by each of the third grade children in her school district during the academic year. She believes that there may be differences in the number of books read by classroom and by school and she thinks there is a positive relationship between number of books read and reading achievement as measured on the standardized assessment given at the end of the year.
-In Matilda's study the variable 'number of books read' would be considered an) ___________ level variable.
A) nominal
B) ordinal
C) interval
D) ratio

Question

Quizplus · Accepted Answer

The variable 'number of books read' is a ratio level variable because it has equal intervals between values and a true zero point, meaning that a value of zero represents an absence of the variable being measured (in this case, an absence of books read).

Matilda Is Interested in Number of Books Read by Each