A Technician Wishes to Examine the Breaking Pressures, in Pounds

Multiple Choice

A technician wishes to examine the breaking pressures, in pounds per square inch, of three brands of adhesives. In this study, the adhesives are used to bond two identical squares of 1/2"-thick pieces of acrylic plastic face-on, and then the assembly is tensionally stressed until the bond fails.For each of the adhesive brands, the test is repeated for 50 trials. How many treatments are involved in this study?

A) 3
B) 1
C) 50
D) 150
E) 2