Page 30 - TB_6B
P. 30
1 . Thomas wants to conduct a survey to find out students’ levels of
satisfaction with the school gym. Thomas’ school has 1,000 students,
and he wants to select a sample of 20 students. Write the sampling
method used to select each sample.
Sample 1 Sample 2 Sample 3
Ask 20 students Arrange all the names of students Select 20 students
who play soccer in alphabetical order. Pick a randomly out of
on the field. student from the first 50 students all the students.
and then pick every 50th student.
2 . Number cards are handed out to 24 students.
Jessica wants to use random sampling to select six students, and
Ricky wants to use systematic sampling. Color the cards below to
show who are selected as Jessica’s and Ricky’s samples.
123456 123456
7 8 9 10 11 12 7 8 9 10 11 12
13 14 15 16 17 18 13 14 15 16 17 18
19 20 21 22 23 24 19 20 21 22 23 24
18. Perfect Samples 19
satisfaction with the school gym. Thomas’ school has 1,000 students,
and he wants to select a sample of 20 students. Write the sampling
method used to select each sample.
Sample 1 Sample 2 Sample 3
Ask 20 students Arrange all the names of students Select 20 students
who play soccer in alphabetical order. Pick a randomly out of
on the field. student from the first 50 students all the students.
and then pick every 50th student.
2 . Number cards are handed out to 24 students.
Jessica wants to use random sampling to select six students, and
Ricky wants to use systematic sampling. Color the cards below to
show who are selected as Jessica’s and Ricky’s samples.
123456 123456
7 8 9 10 11 12 7 8 9 10 11 12
13 14 15 16 17 18 13 14 15 16 17 18
19 20 21 22 23 24 19 20 21 22 23 24
18. Perfect Samples 19
