Recently, a company tested three different machine types to see if there was a difference in the mean thickness of products produced by the three. A random sample of ten products was selected from the output from each machine. Given this information, the proper design to test whether the means are equal is a one-way ANOVA balanced design.

Question

Quizplus · Accepted Answer

A one-way ANOVA (Analysis of Variance) is the appropriate statistical test for comparing the means of three or more independent groups (in this case, products from three different machines) to see if there is a significant difference among them. The design is considered balanced if each group (machine) has the same number of observations (ten products from each machine).

Recently, a Company Tested Three Different Machine Types to See