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Week 4 lab_examples_mini_tab_2011
 

Week 4 lab_examples_mini_tab_2011

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Week 4 iLab Examples, Statistics for Decision Making

Week 4 iLab Examples, Statistics for Decision Making

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    Week 4 lab_examples_mini_tab_2011 Week 4 lab_examples_mini_tab_2011 Presentation Transcript

    • Week 4 iLab Lecture
      B. Heard
      (These may not be copied, reproduced, or posted in an online classroom without my permission. Students may download one copy for personal use.)
    • Week 4 Lab Lecture
      Week 4 iLab
      9 Questions (some requiring multiple answers)
      I will show similar problems, but please note these are not the same values!
      Submit in the given Microsoft Word Document to the Week 4 iLabDropbox found in the Dropbox area (tabs at top of your course)
    • Week 4 Lab Lecture
      Number 1
      I will be using 1/5, 2/5 and 4/5 (NOT ¼ , ½ and ¾ )
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
      Now Graph All Three
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
      Number 2
      Download Data (if you haven’t already)
      File >> Open Worksheet
      Change Drive to pshop$(ilabss)(G:)
      Select Math 221 Folder
      Select Math221_LabData Minitab
      When pop-up shows click “OK” (maybe twice)
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
    • Week 4 Lab Lecture
      Number 3
    • Week 4 Lab Lecture
      Number 3
      ETC
    • Week 4 Lab Lecture
      Number 4
    • Week 4 Lab Lecture
      For the first one, x ≥ 1, you would add all of the probabilities from 1 through 10 for 2/5 or calculate 1 – P(0)
    • Week 4 Lab Lecture
      For the second one, x > 1, you would add all of the probabilities from 2 through 10 for 2/5 or calculate 1 – (P(0)+P(1))
    • Week 4 Lab Lecture
      For the third one, 4<x ≤ 7, you would add all of the probabilities from 5 through 7
    • Week 4 Lab Lecture
      For the last one, x < 4 OR x ≥ 7, you would add all of the probabilities from 0 through 3 AND all probabilities from 7 through 10 (OR YOU COULD SAY 1 – THOSE NOT INCLUDED)
    • Week 4 Lab Lecture
      Number 5
      Mean = 10 (2/5) = 4 Std Dev = Sq Root (10)(2/5)(3/5) = 1.549
    • Week 4 Lab Lecture
      Number 6
      Mean = 10 (1/5) = 2 Std Dev = Sq Root (10)(1/5)(4/5) = 1.265
    • Week 4 Lab Lecture
      Number 7
      Mean = 10 (4/5) = 8 Std Dev = Sq Root (10)(4/5)(1/5) = 1.265
    • Week 4 Lab Lecture
      Number 8
      USE DEFINITION OF BINOMIAL DISTRIBUTION…..
    • Week 4 Lab Lecture
      Number 9
      USE YOUR RESULTS FROM THE SURVEY DATA IN NUMBER 2 AND
      COMPARE THEM TO THE RESULTS FOR ½ IN NUMBER 5. EXPLAIN
      WHY THEY DIFFER (HINT: ONE IS _________ AND THE OTHER IS
      ______________) ABOUT A PARAGRAPH
    • Week 4 Lab Lecture
      Come see me at the “Statcave”
      www.facebook.com/statcave
      You DO NOT have to be a Facebook person to see these.
      If you are, become a fan.
      IT IS NOT REQUIRED TO BE ON FACEBOOK. IT’S SOMETHING I DO FOR FUN.
      I post charts there because it is easy for me to do.