Let x be a random variable representing the height of mature oak trees in a forest.  A friend claims that the average height of oak trees in the forest is 100 feet tall.  To test this claim we find that a sample of 25 mature oak trees has a mean height of 93.2 feet feet with a sample standard deviation of 12.8 feet.  If you assume that the population mean is 100 feet, find the P-value corresponding to the hypothesis that the average height of a mature oak tree is different than 100 feet (i.e. two-tail test).   A. 0.014   B. 0.007   C. 0.138   D. 0.046

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Let x be a random variable representing the height of mature oak trees in a forest.  A friend claims that the average height of oak trees in the forest is 100 feet tall.  To test this claim we find that a sample of 25 mature oak trees has a mean height of 93.2 feet feet with a sample standard deviation of 12.8 feet.  If you assume that the population mean is 100 feet, find the P-value corresponding to the hypothesis that the average height of a mature oak tree is different than 100 feet (i.e. two-tail test).

  A.

0.014

  B.

0.007

  C.

0.138

  D.

0.046

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