A group of people can work together on this. Line up side by side with about 2m gap between each person. Walk forward together in a straight line. Put the pointer at the big toe of your right foot. Record what type of plant is touching the tip of pointer C/O/H/T/F/B/V)

Cogon grass

Other grass

Herbaceous

Tree

Fern

Bare earth

Vine

Repeat 100 times.

Is this random or systematic sampling?

 

cogon rational.jpg.jpg

Cogon Grass

1101.jpg.jpg

Herbaceous plant

220px-Nature_print,_Alois_Auer.jpg.jpg

Fern

capim-arroz.jpg.jpg

Other grass

66076165-tree-with-roots-and-leaves-isol

Tree sapling

400_F_181155771_kV9O2cjPYlfmYq1atoSmfsX0

Vine