A data frame containing a sample with the answers of students.
questionnaire
A data frame with 50 observations of 8 columns:
gender
A factor with the student gender
writing.hand
A factor with the writing hand of the students(left, right)
fold.arm
A factor with the top hand when the students fold their arms
pulse
Integer with the pulse rate of students (beats per minute)
exercise
A factor with the frequency the students exercises (none, some,frequently)
smoke
A factor with the frequency the students smokes (heavy, regularly, occasionally, never)
height
Integer with the height of the students (in centimeters)
age
Integer with the age of the students