A machine produces 3-inch nails. A sample of 10 nails was selected and the lengths determined. The results are

Question

2.89 2.95 3.00 3.05 2.99 2.96 3.10 3.06 3.00 3.12
Use these results to test H0:  = 3 and Ha:   3 at  = 0.01. Give the critical region, the computed test statistic, and the conclusion

This is the way it was on the assignment. I tried getting help from the professor but he has not returned my email... so I thought I would see if anyone knew what the "symbols" should be. Thanks

Answer 1

Have you tried to read your question? You need to set it out clearly and state what you want. Don't use abbreviations as they may not be the same internationally, whereas the answers will be.

I will try to answer your question if I see it and understand it.