There are two types of machines called type A and type
B.Both type A and type B can be used to produce a certain product.The production manager wants to compare efficiency of the two machines.The manager assigns each of the 15 workers to both types of machines to compare the hourly production rate of the 15 workers.In other words,each worker operates machine A and machine B for one hour each.These two samples are independent.

Question

Quizplus · Accepted Answer

The two samples are not independent because the same workers are operating both types of machines, creating a dependency between the two sets of data.

There Are Two Types of Machines Called Type a and Type