Question 1
Suppose you have used a randomized block design to compare the efficacy of three different doses of an experimental drug. You used seven patients in your study. The data is listed below. Do the data indicate that a particular dosage is more effective than any other dosage? Use
Dosage
Question 2
Fading of wood is a problem with wooden decks on boats. Three varnishes used to retard this aging process were tested to see whether there were any differences among them. Samples of 10 different types of wood were treated with each of the three varnishes and the amount of fading was measured after three months of exposure to the sun. The data are listed below. Is there evidence of a difference in the probability distributions of the amounts of fading among the three types of varnish? Use
Varnish
Tracheids in conifer wood.
Wood Betony
Sample Problem from Raven’s Progressive Matrices
How to solve an exponential growth problem involving bacterial growth (Question 1)
Math problem
Handcrafted wooden coffee table