Have an account?
Skip to Content
Build your own quiz
17 questions
Show Answers
See Preview
- 1. Multiple ChoiceYou are building a confidence interval, n is 33, your sample SD is 15, and you want to build a 90% confidence interval, then which of the statements is trueCV = 1.645CV = 1.692CV =1.694none of these
- 2. Multiple ChoiceWhat should the sample size be to use z distribution if you know that the data is normally distributed?greater than 31less than 31greater than or equal to 31any number
- 3. Multiple ChoiceWhat should the sample size be to use z distribution?greater than 29less than 31greater than or equal to 30none of these
- 4. Multiple ChoiceWhat should the sample size be to use t distribution?greater than 29less than 31greater than or equal to 31less than or equal to 31
- 5. Multiple ChoiceYou know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 30t distributionz distributioneither distributionnone of these
- 6. Multiple ChoiceYou know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 31t distributionz distributioneither distributionnone of these
- 7. Multiple ChoiceYou are building a confidence interval, n is 10, your sample SD is 32, and you want to build a 95% confidence interval, then which of the statements is trueCV = 1.96CV = 2.262CV = 2.04none of these
- 8. Multiple ChoiceYou know the sample SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 31t distributionz distributioneither distributionnone of these
- 9. Multiple ChoiceYou know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 30t distributionz distributioneither distributionnone of these
- 10. Multiple ChoiceWhat is not known in t distribution?population meanpopulation standard deviationsample meansample size
- 11. Multiple ChoiceWhat should the sample size be to use t distribution if you know the data is normally distributed?greater than 32less than 29greater than or equal to 31any number
- 12. Multiple ChoiceWhat should the sample size be to use z distribution if you know the data is normally distributed?greater than 31less than 31greater than or equal to 31any number
- 13. Multiple ChoiceYou know the population SD and the sample mean, you should use_____________ build a confidence interval for the population mean, if your sample size is 29t distributionz distributioneither distributionnone of these
- 14. Multiple ChoiceYou know the sample SD and the sample mean, and you know the data is normally distributed, you should use_____________ build a confidence interval for the population mean, if your sample size is 29t distributionz distributioneither distributionnone of these
- 15. Multiple ChoiceIf the sample size is LARGE, the z and t distribution_____________________are significantly differentoff by 0.30approximately the samenone of these
- 16. Multiple ChoiceYou are building a confidence interval, n is 10, your sample SD is 32, and you want to build a 95% confidence interval, then which of the statements is true IF we know that the data is normally distributedCV = 1.96CV = 2.262CV = 2.04none of these
- 17. Multiple ChoiceYou are building a confidence interval, n is 33, your population SD is 15, and you want to build a 90% confidence interval, then which of the statements is trueCV = 1.645CV = 1.65CV =1.692none of these
- Answer choicesTagsAnswer choicesTags