Practical statistics for educators /
Ravid, Ruth.
Practical statistics for educators / Ruth Ravid. - 5th ed. - Lanham : Rowman & Littlefield, 2015. - x, 275 p. : ill. ; 26 cm.
Includes index.
Includes bibliographical references.
9781442242869 (pbk.)
Educational statistics--Study and teaching.
Educational tests and measurements.
Practical statistics for educators / Ruth Ravid. - 5th ed. - Lanham : Rowman & Littlefield, 2015. - x, 275 p. : ill. ; 26 cm.
Includes index.
Includes bibliographical references.
9781442242869 (pbk.)
Educational statistics--Study and teaching.
Educational tests and measurements.