Daily anxiety was measured on a scale from 1 (not at all anxious) to 5 (very anxious) in a random sample of 2000 city dwellers from across the U.S. They found that M = 4.13, 95% CIs [4.06, 4.20].How would you interpret these results? What conclusions would you draw about the precision of the point estimate? What statistical decision would have been made in this scenario if the researchers employed Null Hypothesis Significance Testing instead of the New Stats?

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Asked Sep 25, 2019
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Daily anxiety was measured on a scale from 1 (not at all anxious) to 5 (very anxious) in a random sample of 2000 city dwellers from across the U.S. They found that M = 4.13, 95% CIs [4.06, 4.20].How would you interpret these results? What conclusions would you draw about the precision of the point estimate? What statistical decision would have been made in this scenario if the researchers employed Null Hypothesis Significance Testing instead of the New Stats?

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Expert Answer

Step 1

Interpretation:

The 95% confidence interval can be interpreted as follows:

One can be 95% confident that the interval [4.06, 4.20] will hold the true average rating of daily anxiety.

In other words, if ...

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