6.The variance reflecting a systematic difference between groups of measure is termed as

7.which philosophy developed the monitorial system in classrooms?

8.The IQ of a 25 years old boy, whose mental age be 16 will be

9.The difference between a statistical average based on the entire population and the one based on a sample is known as

10.The great sociologist who held the �education doesn�t bring about social change; rather the social change results into an educational change� was