A building has 11 flats. A sample of 4 flats is to be selected using (i) linear systematic sampling
and (ii) circular systematic sampling. List all possible samples for each of these cases separately.
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N = 11
n = 4
N/n = 11/4 =2.75 nearest integer = 3
let k = 3
1) Linear systematic sampling
Let i = 1, sample : 1, 4, 7, 10
i = 2, sample : 2, 5 , 8 , 11
i =3 , sample : 3, 6, 9
2) Circular systematic sample:
i = 1, sample: 1, 4,7,10
2 2,5,8, 11
3 3,6,9,1
4 4,7,10,2
5 5, 8, 11, 3
6 6,9,1, 4
7 7,10,2,5
8 8,11,3,6
9 9,1,4,7
10 10,2,5,8
11, 11,3,6,9
n = 4
N/n = 11/4 =2.75 nearest integer = 3
let k = 3
1) Linear systematic sampling
Let i = 1, sample : 1, 4, 7, 10
i = 2, sample : 2, 5 , 8 , 11
i =3 , sample : 3, 6, 9
2) Circular systematic sample:
i = 1, sample: 1, 4,7,10
2 2,5,8, 11
3 3,6,9,1
4 4,7,10,2
5 5, 8, 11, 3
6 6,9,1, 4
7 7,10,2,5
8 8,11,3,6
9 9,1,4,7
10 10,2,5,8
11, 11,3,6,9
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