The median pH level of the rain in a certain​ county, was 4.90. A biologist obtains a random sample of 19 rain dates and obtains the following data. Test the hypothesis that the median pH level has decreased from 4.90 at the alpha= 0.05 level of significance.

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The median pH level of the rain in a certain​ county, was 4.90. A biologist obtains a random sample of 19 rain dates and obtains the following data. Test the hypothesis that the median pH level has decreased from 4.90 at the alpha= 0.05 level of significance.
5.08 4.66 4.73 5.08 O
5.00 4.87 4.60 4.66
4.66
5.07 4.91
4.70 5.05 4.70
5.00 5.03 4.73
5.05 4.70
Transcribed Image Text:5.08 4.66 4.73 5.08 O 5.00 4.87 4.60 4.66 4.66 5.07 4.91 4.70 5.05 4.70 5.00 5.03 4.73 5.05 4.70
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