Q10
Which of the following changes in sample size and degrees of freedom, respectively, is most likely to result in an increase in the width of the confidence interval for the population mean?
| Sample size | Degrees of freedom | A | Increase | Increase | B | Increase | Decrease | C. | Decrease | Increase | D | Decrease | Decrease |
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发表于 2007-11-13 16:35
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