Which of the following methods gives better results and why? (a) census (b) sample

You call the pizza store and find out that eachpizza has 12 slices. you expect 16 people tocome, and you estimate each person will eat 3slices. how many pizzas should you order

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

Which of the following is the major negative aspect of crossover designs for research studies? a. prohibitive cost b. residual effects c-subject drepout d. incomplete randomization e. large sample size required