Quants & Stats - Hypothesis Testing

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Joined: Mon Apr 10, 2017 4:44 am

Quants & Stats - Hypothesis Testing

Postby namratatwr94 » Fri Jun 16, 2017 4:51 am

I have a doubt in Hypothesis Testing that while applying z-value to calculate Confidence Interval, the following two formulas are given in Schwezer :

1) Mean +- z value * standard deviation
2) Mean +- z value * standard error

How do we know when to use which of these two formulas for calculating confidence interval?

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