Can you tell me why Tea should be the answer. I am trying to understand the logic which can help me to build the same in tableau.
Hi Ashish, the test that i attempted, results shows Green Tea is the right answer.
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The question is quirkily worded. Confidence Interval of 99% around an average is what you need. How to get your answer is: Create an Average Reference Line -> From the dropdown showing Line Only, select 'Confidence Interval Only' -> Choose 99.9 from the interval size -> Click OK. Voila!
You'll probably see the answer from this view.