Table:
public high school
private high school

mean

sectarian
0.318
0.806

semestered
0.692
0.255

enrolment
1,079.9
712.8

student-teacher ratio
17.0
17.8

total annual instructional hours
967.6
945.1

number of computers per student
0.191
0.200

percentage of teachers with an undergraduate degree
93.0
87.1

percentage of english/french teachers with undergraduate degree in english/french language and literature
81.9
81.3

percentage of certified teachers
96.7
97.1

percentage of teachers participated in training in last three months
59.3
52.3

special tutoring available from staff members
0.796
0.798

low expectations from teachers

does not hinder learning at all
0.528
0.716

hinder learning a little
0.383
0.279

hinder learning some or a lot
0.089
0.005

teacher feedback

less than three times per year
0.014
0.000

three times per year
0.035
0.057

four or more times per year
0.950
0.943

Statement: the student-teacher ratio was slightly higher in private than in public schools, at 18 versus 17 students per teacher.
Question: which school had higher student-teacher ratio, private schools or public schools?
Answer: private high school