why is it called balanced incomplete block design in math how much observation is in a bibd bibd definitions which statement is a BIBD statement bicd definition what is bibd for statistics what is a bibd balanced incomplete block design (bibd) BIBD calculation what is an bibd what is bibd what is bicd analysis which statement is true about biad? what is bibd what is bibd analysis how to calculate bibd for blocks what is bibd if treatment is in $r$ blocks and there are $k other treatments in each of those blocks, there are $r(k)$ observations in a block containing treatment $1$. how to calculate the value of each observation in the bibd what does bibd mean