assignment代写 | math代写 – MATH 558 – assignment 4

MATH 558 – assignment 4

assignment代写 | math代写 – 这个项目是math代写的代写题目

Design and Analysis of Experiments

 assignment #4

1. Show that the regression model coefficients for 2kfactorial design are one half of effect estimates. (10 points)
2. Show that the estimated standard error of interaction effect is ( points) se(Effect) =

^2 S

n 2 k

3. Let (X,B) be a (t,b,r,k,) BIBD. Ifbis divisible byr, then show that bt+r1. (10 points)