Question: I need help on STAT please!!! How heavy a load (pounds) is needed to pull apart pieces of Douglas fir 4 inches long and 1.5

I need help on STAT please!!!

How heavy a load (pounds) is needed to pull apart pieces of Douglas fir 4 inches long and 1.5 inches square? Here are data from students doing a laboratory exercise:

26171 31798 26993 22153 26573

35404 26145 31711 25698 30619

26548 34564 26119 31627 26944

30568 29479 29830 26093 31547

We are willing to regard the wood pieces prepared for the lab session as an SRS of all similar pieces of Douglas fir. Suppose that the strength of pieces of wood like these follows a Normal distribution with standard deviation 3000 pounds.

Give a 99% confidence interval for the mean load required to pull the wood apart (give your answer with three decimal places).

The sample mean is____(give three decimal places)

99% confidence interval for the mean load is ___to___?

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