Green tea is known to contain high quantities of epigallocatechin (EGCG), a poly

Question

Green tea is known to contain high quantities of epigallocatechin (EGCG), a polyphenol with potent antioxidant and anticarcinogenic properties. You collect 50 samples of Brand A green tea, 75 samples of Brand B green tea, and measure the EGCG concentration of each sample. What analysis would you use to see if Brand A contains a significantly higher EGCG concentration than Brand B? Select one: a. One-sample Z-test b. t-test for two independent groups c. t-test for paired observations d. One-sample t-test e. Two Factor ANOVA

Explanation / Answer

Which analysis to be use to see if brand A contains a significantly higher EGCG than brand B.?

Option B is correct.

And:B T-test for two independent groups.

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