A Researcher Investigating 'Pygmalion in the Classroom' Measured Teachers' Perceptions

Multiple Choice

A researcher investigating 'Pygmalion in the classroom' measured teachers' perceptions of male and female students' mathematical abilities.She wanted to test whether teachers perceived males as being better at maths by comparing teachers' mean ratings of 97 male and female students.Based on the output,what action should the researcher take before testing whether the mean teacher perceptions are different for male and female students?

A) Use bootstrapping.
B) Automatically delete extreme scores.
C) Take no action.
D) Log-transform the data.