20 pupils

420 pupils

270 pupils

12 pupils

Roster method/Set builder notation

Rule method/Set builder notation

Roster method/Tabular

method

{}

{1, 3, 5}

{2, 4}

{1, 2, 3, 4, 5}

7 people

12 people

15 people

9 people

22, 25 bimodal

22 bimodal

22,  25, and 28 trimodal

22 unimodal

Common ratio

Element

Term

Common difference

{1, 2, 3, 4, 5}

{1, 2, 3, 4, 5, 6}

{1, 2, 5, 6}

{1, 3, 5}

32, 35, 38, 41

32, 36, 40, 44

32, 32, 36, 38

32, 34, 36, 35

tessellation

bilateral symmetry

radial symmetry

spiral symmetry

1/4213

1/1042

1/1024

1/1243