Skip to content
Competitive Stats
Q170Section III (Statistics)170 of 190

For a BIBD, NN′=(r−λ)I+λJNN'=(r-\lambda)I+\lambda J is non-singular

Suppose N is the incidence matrix of a BIBD with parameters (v,b,r,k,λ)(v,b,r,k,\lambda), then:

Options

Pick an option to check your answer.