Logan Accessed an Existing Database to Answer His Research Question

Multiple Choice

Logan accessed an existing database to answer his research question regarding the role of identification of a learning disability and odds of going to a private school. The variables of interest include category of disability, type of school, achievement scores in the first, third, and sixth grade, parents SES. Logan will report a measure of variability for each of the achievement scores. Which will he most likely report?

A) Mean
B) Range
C) Standard Deviation
D) Median