A community for students.

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

nuccioreggie

  • one year ago

Below are the data collected from two random samples of 500 American adults on the number of hours they work per day (rounded to the nearest hour): Number of hours of work per day 6 7 8 9 10 Sample A: Number of adults 60 90 145 150 55 Sample B: Number of adults 70 80 140 145 65 Ryan concludes that adults spend a mean of 8 hours working each day. Malia thinks the mean is 9 hours. Who is correct—Ryan or Malia? Explain your answer in two or three sentences.

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

    @freckles @ganeshie8 @mathstudent55 @Nnesha @pooja195 @triciaal

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

    the average number of hours worked out of 500 people in a sample: 6(60), 7(90), 8(145), 9(150), 10(55) the total number of hours are defined as the sum of the terms

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

    So what is: 6(60) + 7(90) + 8(145) + 9(150) + 10(55)

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

    so can you explain the answer all in one please

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

    so 4050/500 is the mean of sample A and the mean of sample B is 4055/500 the mean of the means is also going to be about 8.1 I cant verify this as correct, but i know who id go with

  6. 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.