February 21, 2017

Homework Help: Statistics

Posted by matthew on Saturday, December 3, 2011 at 3:27pm.

Hi. I need to complete hypothesis tests and i am unsure if i used the correct tests for each of the following:

1. Do people actually prefer Pepsi or Coke in a taste test?

2. Can people correctly identify Pepsi versus Coke?

3. Are people consistent with their prior preference? In other words, do they prefer the
same cola in their taste test that they had previously indicated was their preferred cola?

At first i was going to use two-tailed tests for all three. but then i started thinking maybe number 1 was a one-tailed test. now i'm really confused.

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