Question

Explain why it makes sense to design and analyze this data as a block design.

Sample size = 24

3 possible treatments : cheap food, expensive food, expensive food + growth serum

After fixed amount of time the chickens were weighed in pounds, this was the response.

4 different labs chickens were tested at : north, south, east, west.

Each lab had a different technician.

Six chickens were at each lab.

2 chickens per treatment type.

Answer 1

In Block design, the treatments carry separately within each block.

Here we are making block of 3 treatments for different region so why we call this design as Block design.