What do you understand by Generalization in research?
Take a research problem and illustrate how it will be defined and delimited. What care should be taken in selecting a research problem?
An intelligence test was given to a group of 500 students. The mean and Standard-Deviation of the group was found to be 60 and 10, respectively. Considering this distribution as normal, find out: How many students will be between 50 and 70 scores? How many students will be above 80 scores?