exam 3.docx - Question 1 20 20 pts Suppose you were...

Info icon This preview shows pages 1–6. Sign up to view the full content.

Question 1 20 / 20 pts Suppose you were commissioned to deal with the value highlighted below; determine the most appropriate null hypothesis. LOS ANGELES—Revealing that the success of such relationships is far less certain than typically assumed, a report released Wednesday by UCLA’s Department of Sociology found that only 40 percent of celebrities ultimately end up marrying their stalkers. : : : : : : : :
Image of page 1

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

Question 2 20 / 20 pts Michael Larson of Press Your Luck went 45ish "spins" without getting whammied. Because it was __________ that luck alone could account for this event, the decision to __________ the __________ hypothesis and conclude statistical significance was justified. unlikely; accept; null unlikely; reject; null likely; reject; alternative unlikely; reject; alternative likely; accept; alternative likely; reject; null
Image of page 2
unlikely; accept; alternative likely; accept; null Question 3 20 / 20 pts Suppose three significance tests (A, B and C) were performed. For A the sample size is 4. For B the sample size is 100. For C the sample size is 4,000,000. Holding other factors constant, which would be most likely to find a significant difference? Test A Test C Test B Question 4 20 / 20 pts A type I error occurs when we find statistical significance when really there was none. In other words...
Image of page 3

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

None of the above. The sample statistic was not misleading. A calculation error occurred. All of the above. The sample statistic was misleading. Question 5 20 / 20 pts Suppose we had the following hypothesis test and resulting P-value. : : Based on this information, make a decision while providing the correct reasoning.
Image of page 4
Reject the null hypothesis. The probability under the assumption there is no difference between p and blah blah
Image of page 5

Info icon This preview has intentionally blurred sections. Sign up to view the full version.

Image of page 6
This is the end of the preview. Sign up to access the rest of the document.
  • Spring '07
  • JaneWaterman,PamelaThomas
  • Biology

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern