Question

STATISTICS : How to state null and alternative hypothesis for 2k factorial design of two factors?

Answer 1

detail : design experiment involving two factors to determine individual and interaction effect. use f-distribution to test hypothesis. but before testing i need to state what the null and alternative hypotheses are

Answer 2

i need some way to express it in terms like
Ho : τ1 = τ2 = τ3 ... τa =0
Ha : at least one τi ≠ 0
however i need equation that is suitable for this purpose