q1:How could you write the design matrix fr a 2^8 factorial design? How many rows would it have? How many columns? How wouldyou randomize this design?

Q2. A chemist used a 2^4 factorial dcsign to study the effects of temperature. pH, concentration, and agitation rate on yie1d (measured in grams). If the standard deYiation of an individual observation is 6 grams. what is the variance of the temperature effect?

Q3. design matrix for a 3^2 factorial design and one for a 2^3 factorial design.