. Six bottles of wine were analyzed for residual sugar, with the
following results:
Bottle Percent (w/v)
Residual Sugar Number of Observations Deviation of Individual Results
from Mean
1 0.94 3 0.050, 0.10,0.08
2 1.08 4 0.060,0.050,0.090,0.060
3 1.20 5 0.05,0.12,0.07,0.00,0.08
4 0.67 4 0.05,0.10,0.06,0.09
5 0.83 3 0.07,0.09,0.10
6 0.76 4 0.06,0.12,0.04,0.03
a) Evaluate the standard deviation s for each set of data. List s to
the thousandths digit.
b) Pool the data to establish an absolute standard deviation for the
method, S pooled. Report S pooled to the thousandths of a percent
(X.XXX%)
8. Using activities, calculate the solubility of BsSO4 in 0.0334M
Ba(NO3)2
Chemistry Homework Solutions
#26629
Standard Deviation and Spooled (may use excel)
Please show all equations. Also, excel can be used for this problem. Are you able to send the attached file? If not, just tell me how you did it on excel so I can understand how you got the answers. Thanks!!
Six bottles of wine were analyzed for residual sugar, with the following results:
see attachment
a) Evaluate the standard deviation s for each set of data. List s to the thousandths digit.
b) Pool the data to establish an absolute standard deviation for the method, S pooled. Report S pooled to the thousandths of a percent (X.XXX%)
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