Question
to construct a confidence interval, which of these do you need? A sample statistic A z-score, determined by your chosen alpha level The standard deviation
to construct a confidence interval, which of these do you need?
| A sample statistic | |
| A z-score, determined by your chosen alpha level | |
| The standard deviation of the sampling distribution | |
| You need all of these |
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Introduction To Statistics And Data Analysis
Authors: Roxy Peck, Chris Olsen, Jay L. Devore
3rd Edition
0495118737, 9780495118732
