Recent content by Math Is Hard

  1. Math Is Hard

    Undergrad Aggregated Likert scale summary data - z-test?

    <Moderator's note: Moved from a homework forum.> 1. Homework Statement I have some summarized Likert scale data from a report and my co-workers want to know what kind of comparison analysis we could do with it. I don't have the raw data. Most of the questions are on a 7-point scale (Strongly...
  2. Math Is Hard

    When ceramic squirrels are outlawed

    Bear Squirrels? They must be a rather large species.
  3. Math Is Hard

    When ceramic squirrels are outlawed

    ..only outlaws will have ceramic squirrels. Just sayin'. http://abclocal.go.com/kfsn/story?section=news%2Fbizarre&id=9376428
  4. Math Is Hard

    Can you rescue an animal in need?

    I've got 2 rescue kitties. When I adopted them they were 10 and 18 years old (according to the shelter). Now they are 12 and 20. They are doing great. This is a picture of my old man cat. The small inset picture was from the shelter website. He looked horrible when I first got him, but he...
  5. Math Is Hard

    Analyzing Enrollment Campaigns with Chi-Square: Is It the Right Approach?

    Thanks so much, Redbelly! :-)
  6. Math Is Hard

    Analyzing Enrollment Campaigns with Chi-Square: Is It the Right Approach?

    Homework Statement I'm trying to test a hypothesis that sending people both an email announcement and direct mail announcement produces significantly more enrollments in a free webinar than email or direct mail alone. I'd like to do an analysis on these groups created from 400 people...
  7. Math Is Hard

    Kitten Lovers: Cuteness Overload

    Yay for the firefighters! "West Covina, CA firefighters saved the lives of a pair of two week old kittens twice in one day. First they rescued them from being trapped within a home’s walls. Then they saved them from being put down at the shelter. The firefighters were prepared to care for the...
  8. Math Is Hard

    Congrats Lisab: New PF Mentor & Team Leader!

    Congrats, Lisa!
  9. Math Is Hard

    Farewell to MIH - PF Thanks for All You've Done!

    Aww. Thanks you guys! I hope to get back here on a more regular basis one of these days. My life's in a bit of a transition right now, but my fortune cookie said, "There is a refreshing change in your future". So good things are coming. Fortune cookies never lie, y'know.
  10. Math Is Hard

    Is Technology the New Antiques Market?

    Your Christmas present. :smile:
  11. Math Is Hard

    Is Technology the New Antiques Market?

    I want to buy this owl lamp: http://www.ebay.com/itm/Antique-collectible-one-of-a-kind-lighted-OWL-rare-piec-/120654099625?pt=LH_DefaultDomain_0&hash=item1c178b74a9#ht_2141wt_122
  12. Math Is Hard

    Is Alder the Best Wood for Smoking Salmon?

    I have one of those at work!
  13. Math Is Hard

    Is Alder the Best Wood for Smoking Salmon?

    [SIZE="5"]Happy Birthday, Ms. Evo! http://animal.discovery.com/the-spot/happy-everything/summer/images/cat-birthday-ideas-324x205.jpg
  14. Math Is Hard

    Kitten Lovers: Cuteness Overload

    I love foreign films.
  15. Math Is Hard

    Kitten Lovers: Cuteness Overload

    Catula.