For very rare diseases the value for relative risk is approximately the same as

Question

For very rare diseases the value for relative risk is approximately the same as that for the odds ratio. A confidence interval error bar is always longer than the standard error of the mean error bar. Nonparamctric statistics arc more powerful than parametric statistics. As written in your text, the F-stat table is one tailed. 5. Equality of two variances tests may be either two tailed or one tailed. If a 95% confidence interval for a mean is given as (3.1 le mu le 5.9), then there is a 95% probability that the population mean lies between 3.1 and 5 9 inclusively. The sign test is a nonparametne. unpaired test for the equality of two means. The squareroot of the confidence interval for a variance gives the confidence interval for the standard deviation. As standard deviation becomes larger, and all other numbers stay constant, the width of the confidence interval for the mean becomes smaller In equality of two variance tests. nt must be equal to n_2.

Explanation / Answer

1. False

2. False

3. False

4. True

5. True

6. True

7. False

8. True

9. False

10. False

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