Six bottles of wine of the same variety were analyzed for residual sugar content with the following results:
Bottle | Percent (w/v) Residual Sugar |
1 | 1.02, 0.84, 0.99, |
2 | 1.13, 1.02, 1.17, 1.02 |
3 | 1.12, 1.32, 1.13, 1.20, 1.25 |
4 | 0.77, 0.58, 0.61, 0.72 |
5 | 0.73, 0.92, 0.90 |
6 | 0.73, 0.88, 0.72, 0.70 |
(a) Evaluate the standard deviation s for each set of data.
(b) Pool the data to obtain an absolute standard deviation for the method.
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