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2. Sampling is done by handing out the number cards to 28 students. Ann wants to
use the systematic sampling to select 7 students. Write the result of Ann’s survey
on the activity board below.
Ann
1234567
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
3. Ann, Kate, and Ryan, surveyed the approval rate of afterschool supplementary
classes. Choose the unbiased sampling, and find the approval rate.
Sampling Approval Rate
Ann asked 50 students 34%
that had low scores. 66%
39%
Kate asked 50 random
students picked among
6th grade students.
Ryan asked 50 random
students among the
entire students.
2. Sampling is done by handing out the number cards to 28 students. Ann wants to
use the systematic sampling to select 7 students. Write the result of Ann’s survey
on the activity board below.
Ann
1234567
8 9 10 11 12 13 14
15 16 17 18 19 20 21
22 23 24 25 26 27 28
3. Ann, Kate, and Ryan, surveyed the approval rate of afterschool supplementary
classes. Choose the unbiased sampling, and find the approval rate.
Sampling Approval Rate
Ann asked 50 students 34%
that had low scores. 66%
39%
Kate asked 50 random
students picked among
6th grade students.
Ryan asked 50 random
students among the
entire students.
