Question: Consider the weights for two samples of candy bars, before and after intervention, from Table 5.5.4. a. Is this a paired or an unpaired situation?

Consider the weights for two samples of candy bars, before and after intervention, from Table 5.5.4.
a. Is this a paired or an unpaired situation?
b. Find the 95% confidence interval for the population mean difference in weight per candy bar (after minus before).
c. Did intervention produce a significant change in weight? How do you know?

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