A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

anonymous

  • 5 years ago

In a normal distribution, what percent of the data lie below 2 standard deviations of the mean?

  • This Question is Closed
  1. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    5%

  2. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    1sd = 68% 2sd = 95%

  3. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    maybe 2.5% on each side?

  4. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    2.3 or 4.6

  5. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    if we are below the mean; we have about 2.5% under 2sd

  6. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    the total percent that is 2sd from the mean is 5%; so half above the mean and half below it

  7. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i would go with 2.5 cuz it says below right?

  8. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    yes; thats my thought :)

  9. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    i mean 2.3

  10. amistre64
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 2

    if 2.3 is a choice then yes

  11. anonymous
    • 5 years ago
    Best Response
    You've already chosen the best response.
    Medals 0

    hey do you any good websites that can help me with z-scores...

  12. 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.