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Market tests were carried out to ascertain public opinion on the preference of the proposed cap over the existing cap. The test results were positive...

This question was created from Summary of Jade Shampoo Case (A) https://www.coursehero.com/file/16191458/Summary-of-Jade-Shampoo-Case-A/

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I don't understand what kind of testing was done. Also, what is the meaning behind the standard deviation?

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