pendddding - Patients recovering from an appendix operation...

This preview shows page 1 - 2 out of 3 pages.

The preview shows page 1 - 2 out of 3 pages.
Patients recovering from an appendix operation normally spend an average of 6.3 days inthehospital. The distribution of recovery times is normal with a σ = 2.0 days. The hospital istrying anew recovery program designed to lessen the time patients spend in the hospital. Thefirst 16appendix patients in this new program were released from the hospital in an average of5.8 days.On the basis of these data, can the hospital conclude that the new program has asignificantreduction of recovery time. Test at the .05 level of significance.Q1: The appropriate statistical procedure for this example would be a
Q2: Is this a one-tailed or a two-tailed test?
Q3: The most appropriate null hypothesis (in words) would be

Upload your study docs or become a

Course Hero member to access this document

Upload your study docs or become a

Course Hero member to access this document

End of preview. Want to read all 3 pages?

Upload your study docs or become a

Course Hero member to access this document

Term
Fall
Professor
mr
Tags
Normal Distribution, Statistical hypothesis testing, researcher, Type I and type II errors, appropriate null hypothesis

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture

  • Left Quote Icon

    Student Picture