The next day, you measure 0.077 ± .0008 µg/mL. To 95% confidence, is this an outlier? Should you be orried? You can look up a Q table

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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1) You measured 0.0899 ± .0008 µg/mL, also with 7 samples [0.092, 0.089, 0.097, 0.808, 0.091, 0.082,
0.095] ± 0.002 µg/mL. Use a t-test to determine if levels have changed with 95% certainty. Note: for equal
size samples with equal uncertainties, you may use the following formula, where n is the number of
samples in one week's data set. The degrees of freedom in this case are 2n-2. You can look up a t-table.
|¤1
tcalc
l01+02
-
Op
||
2
OpV n
2) The next day, you measure 0.077 ± .0008 µg/mL. To 95% confidence, is this an outlier? Should you be
worried? You can look up a Q table
Transcribed Image Text:1) You measured 0.0899 ± .0008 µg/mL, also with 7 samples [0.092, 0.089, 0.097, 0.808, 0.091, 0.082, 0.095] ± 0.002 µg/mL. Use a t-test to determine if levels have changed with 95% certainty. Note: for equal size samples with equal uncertainties, you may use the following formula, where n is the number of samples in one week's data set. The degrees of freedom in this case are 2n-2. You can look up a t-table. |¤1 tcalc l01+02 - Op || 2 OpV n 2) The next day, you measure 0.077 ± .0008 µg/mL. To 95% confidence, is this an outlier? Should you be worried? You can look up a Q table
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