A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • one year ago

Davina selected 50 people at random and asked them whether they had watched the documentary on Antarctica on television the previous night. She repeated this survey using the same method three more times. Do any of the surveys appear to be biased? Watched Antarctica documentary last night? Survey 1 2 3 4 Yes 13 14 35 17 No 37 36 15 13

  • This Question is Closed
  1. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    A. Yes, because all four surveys do not have identical results. B. Yes, because the results from Survey 3 differ significantly from the other surveys’ results. C. No, because Davina surveyed the same number of people each of the four times. D. No, because all four surveys have about the same number of people saying “yes” and about the same number of people saying “no.”

  2. anonymous
    • one year ago
    Best Response
    You've already chosen the best response.
    Medals 0

    I will medal...

  3. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Sign Up
Find more explanations on OpenStudy
Privacy Policy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.