Simple stat question 19~20 Which confidence Interval is most likely to include t

Question

Simple stat question 19~20 Which confidence Interval is most likely to include the true mean? 90% 95% 99% Which confidence interval includes the largest range of values? 90% 95% 99% How do you calculate a confidence interval? To implement the confidence interval equation, you will need to calculate mean and standard error of a sample, as well as look up an appropriate t-value. You can find the table of t-values on p. 529 of your text, Appendix A.I. Let's return to the representative data for species richness of epiphytes on trees. Five samples have 2, 6, 3, 5, 4 species. Find the confidence intervals: Above, you have seen that confidence intervals depend on how much certainty you need that the true mean falls within the confidence interval range. If you increase sample size, you also change the confidence interval. Why?

Explanation / Answer

17) 99%

18) 99%

19)

90% 4+o- 1.506

95% 4+o- 1.966

99%4+o- 3.253

20) i couldnt read this question

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