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VA Chapter 8.1 & 8.2 HW x C Chegg Study IGuided Sc x C www.webassign ne Response

ID: 3226359 • Letter: V

Question

VA Chapter 8.1 & 8.2 HW x C Chegg Study IGuided Sc x C www.webassign ne Response /last? dep 1603586 t/web/Student/Assignme 5. -12 points BBUnderStat11 8.2.002. My Notes Ask Your Teacher To test u for an x distribution that is mound-shaped using sample size n z 30, how do you decide whether to use the normal or Student's t distribution? If o is known, use the standard normal distribution. If o is unknown, use the Student's t distribution with n -1 degrees of freedom. For large samples we always the standard normal distribution. If o is unknown, use the standard normal distribution. If o is known, use the Student's t distribution with n -1 degrees of freedom. If o is known, use the standard normal distribution. If o is unknown, use the Student's t distribution with n degrees of freedom. Need Help? Read It 6. -12 points BBUnderstat11 8.2.001 My Notes Ask Your Teacher 7:27 PM Type here to search 4/24/2017 R19

Explanation / Answer

(Answer)

To test population mean () for a distribution that is mound shaped using sample size n 30 then

If is known, use the standard normal distribution. If is unknown use the t distribution with n-1 degree of freedom.