What are the suitable measures to describe variability or spread in student scores
The suitable measures are t he range, q uartile deviation, v ariance and Standard deviation. T he meaning of each measure of variability is...Read More
Preparing Research Tools (Notes)
A tool is an instrument used for the method e.g. an interview schedule which is used for interviewing or a questionnaire form, a check list ...Read More
Research ethics in research methodology (Notes)
When most people think of ethics or morals, they think of rules for distinguishing between right and wrong, such as: The Golden Rule (...Read More
Hypothesis testing: Definition, Types and Characteristics (notes)
Hypothesis testing is a procedure to test whether all observed differences (from the sample) provide enough evidence to believe that there i...Read More
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