Chemistry, 16.12.2021 02:30 rainbowboi

Caffeine in a sample of chocolate was measured five times, and the results were 1265 ppm caffeine with a standard deviation of 9 ppm. According to the product label, the chocolate contains 1250 ppm caffeine. Are the experimental results statistically different from the label value at the 95% confidence level? a. Yes, because tcalc < ttable
b. Yes, because tcalc > ttable
c. No, because tcalc < ttable
d. No, because tcalc > ttable

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