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The second peak can also be due to US products, which are often heavily rounded dur to the small portion size. Visual inspection of the data seems to confirm this.
The second peak can also be due to US products, which are often heavily rounded dur to the small portion size. Visual inspection of the data seems to confirm this.
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+
Assuming a Gaussian distribution: we have:
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mean: 52.96 ± 0.09; standard deviation: 2.98 ± 0.06