What are some of the most common sources of random variation?
A) people
B) materials
C) neither people nor materials
D) both people and materials

Question

Quizplus · Accepted Answer

Random variation can come from both people and materials. For example, if a group of people are asked to complete a task, each person's approach or skill level may vary, leading to different results. Similarly, if different batches of a material are used in an experiment, there may be variations in the properties or composition of each batch, leading to different outcomes.

What Are Some of the Most Common Sources of Random