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The average magnesium concentratioin in ground water around

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The average magnesium concentratioin in ground water around Metro City is (mu)=65.6 parts per million (ppm) with a standard deviation of standard deviation of 10. The table below shows the gound water magnesium concentrations(ppm) from random sites in a suburb locaated 15 miles away. At a=0.10, can it be concluded that the average magnesium concentration in the suburb differs from 65.6 ppm?
38,83,120,7,24,81,116,28,102,95,16,50,21,25,38,76,107,89,26,122,123,95,87,28,115,98,92,63,118,125,53,29,65,40,102

A) State the hypothesis and identify the claim

b) Find the critcal values

c) Compute the test statistic

d) Make a decision

e) Summarize the results

Reference no: EM13622499

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