A researcher is interested in studying gender differences in emotional intelligence. She selects a sample of n3D100 adults females and n=100 adult males and has each participant complete the EIAT (Emotional Intelligence Ability Test), a multiple- choice test that examines people's emotional intelligence skills by providing them with descriptions of emotional problems, and asking them to indicate which emotion is most probable in a given situation, or to suggest the most appropriate action for a given scenario. Each participant gets a score out of 100. She wants to determine if there is any difference between men and women. (a) What is/are the independent variable(s)? (b) What are the levels of each independent variable? (c) What is the scale of measurement of the independent variable?

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.