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Seven measurements of the ph of a buffer solution gave the following results: 5.12, 5.20, 5.15, 5.17, 5.16, 5.19, 5.15. Calculate a) the 95% and

Seven measurements of the ph of a buffer solution gave the following results:

5.12, 5.20, 5.15, 5.17, 5.16, 5.19, 5.15.

Calculate a) the 95% and b) the 99% confidence limits for the entire ph (assume that there are no systematic errors).

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