RCBD

Question 1

When subjects are heterogeneous, (different in some way) the better designed experiment is

Answer 1

RCBD

Question 2

Heterogeneous subjects

Answer 2

Are subjects that have factors which affect the response variable in a non randomness manner.

Question 3

Blocking

Answer 3

When there are systematic source of variations,blocks are usually used to improve the efficiency of experiments. Grouping. We divide the subjects into groups.

Question 4

A block cannot be

Answer 4

Randomised

Question 5

A treatment or factor can be

Answer 5

Randomised

Question 6

Block vs Replicate

Answer 6

• When each block contains exactly one complete set of treatments, “block” and “replicate” means the same thing (used interchangeably).
• a replicate is one full set of treatments. A block can have more than one set of treatments and therefore is not equal to the treatments.