data1

Gender: Gender of students participated in York University
Breakfast: a response whether a student had breakfast before 11:00am on Thursday, Sept, 18, 2014
Tiredness: A response from a student on a scale from 1(not tired) to 5(very tired)
Cellphone: a variable, a response whether a student was holding a cellphone or placed at visible place nearby on the time he/she was asked

Method: Random students who agreed to participate in the data collecting in York University Keele campus were asked about these variables.
They were first asked their gender, followed by if they had breakfast before 11:00am, how tired they were, (time was approximately 2:45pm)
and finally observe/ask if they were holding cellphone on their hands or visibly placed nearby.