The number of teachers from two different schools are shown below. The 10 points
school district would like to survey staff members about the school dress
code. Based on the data, which of the samples below would be
considered random.*
6th GRADE
TEACHERS
7th GRADE
TEACHERS
8th GRADE
TEACHERS
NORTH MS
16
14
10
19
12
WEST MS
O
All of the teachers at North MS are sampled.
O
The seventh grade teachers at North MS and West MS are sampled.
The teachers are alphabetized by last name and every fifth teacher is sampled.
The teachers who attend the school board meeting are sampled.