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Business statistics. the topic (confidence interval estimation)

Date Posted: 30/04/2020
Category: Business
Due Date: 01/05/2020
Instruction
Answer the questions in the attached
Attached
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    phoniextutor | Apr 30, 2020, 20:21 PM
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  • Are you sending to me now?
    StatECO | Apr 30, 2020, 20:30 PM
  • did you read the question?
    User_26967 | Apr 30, 2020, 20:32 PM
  • Yes. Please send me it. I can do the very best for you.
    StatECO | Apr 30, 2020, 20:35 PM
  • I'll pay 15$ for this one. I'm going to have same this assignment every week and one midterm test and final exam, I can send them all to you, if you do this assignment 100%,
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  • sure. Please assign me
    StatECO | Apr 30, 2020, 20:42 PM
  • when can you finished.
    User_26967 | Apr 30, 2020, 20:44 PM
  • Try to finish soon
    StatECO | Apr 30, 2020, 20:52 PM
  • ok i need it ASAP. write it in a paper and make the steps clear please. so I can understand it and explain it if the teacher asks me.
    User_26967 | Apr 30, 2020, 20:55 PM
  • Sure. Please assign
    StatECO | Apr 30, 2020, 21:01 PM
  • okay done. waiting for you
    User_26967 | Apr 30, 2020, 21:05 PM
  • Here are the answers. Please check and let me know if you have any questions.
    StatECO | May 01, 2020, 09:19 AM
  • I have uploaded my group members answer. There are different in some questions. And the “ t “ you got different answers. Please check it again, just to make sure before i submit it
    User_26967 | May 01, 2020, 11:26 AM
  • Let me check now
    StatECO | May 01, 2020, 11:36 AM
  • My answer is 200% correct. Again, I have added excel calculation using excel function.
    StatECO | May 01, 2020, 11:40 AM
  • Good. Could you please explain to me here how you got the “ t” 1.984
    User_26967 | May 01, 2020, 11:47 AM
  • Degrees of freedom=100-1=99 Significance level =1-0.95=0.05 From table, t =1.984 Or Excel functio , =TINV(0.05,99) =1.984
    StatECO | May 01, 2020, 11:51 AM
  • I've uploaded the table, can you please circle the number that you got for “t”. I still don’t know how you got it, and the Excel function not working, it’s for Excel 2007 and below
    User_26967 | May 01, 2020, 12:39 PM
  • I have added my calculations using excel. YOur friend did wrong alpha should 0.05 not 0.025. It is 95% confidence interval we have to find.
    StatECO | May 01, 2020, 13:02 PM
  • The T value is -2 . Not 1.984
    User_26967 | May 06, 2020, 16:57 PM
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    StatECO | May 06, 2020, 17:03 PM
  • Okay
    User_26967 | May 06, 2020, 17:05 PM
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