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Ten measurements of impact energy on specimens of A238 steel at 60 ºC are as follows:...

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Basic Math

Ten measurements of impact energy on specimens of A238 steel at60 ºC are as follows: 64.1, 64.7, 64.5, 64.6, 64.5, 64.3, 64.6,64.8, 64.2, and 64.3 J.

a. Use the Student’s t distribution to find a 95% confidenceinterval for the impact energy of A238 steel at 60 ºC.

b. Use the Student’s t distribution to find a 98% confidenceinterval for the impact energy of A238 steel at 60 ºC.

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3.8 Ratings (689 Votes)
Using TI83 plus calculator we get the following    See Answer
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