Ravid, Ruth.
Practical statistics for educators [electronic resource] / Ruth Ravid. - 4th ed. - Lanham, MD : Rowman & Littlefield, 2010. - xvi, 256 p. : ill.
Includes index.
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2011.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Educational statistics--Study and teaching.
Educational tests and measurements.
Electronic books.
LB2846 / .R33 2010eb
370/.21
Practical statistics for educators [electronic resource] / Ruth Ravid. - 4th ed. - Lanham, MD : Rowman & Littlefield, 2010. - xvi, 256 p. : ill.
Includes index.
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2011.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Educational statistics--Study and teaching.
Educational tests and measurements.
Electronic books.
LB2846 / .R33 2010eb
370/.21