1. compare one brand against another to see if there are significant differences between them.

Then, construct a hypothesis and address the following in a document.

• Describe what you are comparing.
• State your hypothesis in a sentence.
• Indicate the appropriate t-test that you will use to evaluate your hypothesis.
• State the alpha (?) level.

Compare two different companies g compare one company vs Hypothesized ACME error before and after Brand X error before and after mean maintenance maintenance