TH8-KIM, MOSE - TAKE-HOME ASSIGNMENT 8 NAME Kim Mo Se GRADE...

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Unformatted text preview: TAKE-HOME ASSIGNMENT # 8 NAME Kim, Mo Se GRADE / 100 1. Please put your name in the space above. 2. All assignments must be done using MICROSOFT OFFICE WORD. 3. Tables and graphs can be copied from your CLASS NOTES or EXCEL and pasted directly into this file or you can work directly in this form. 4. If pasting, paste all your work where indicated AFTER EACH QUESTION. 5. DO NOT ELIMINATE THE TABLES HERE. 6. When you save your work, please remember to rename the TH file by adding your last and first name. For example : TH8-HyPothesis 7. Submit this assignment into TH8 assignment folder by Midnight April 14. You will notice that the questions are NOT presented in chapter order, but rather in the order that the class notes provides. Now it’s your turn . Note that your book sometimes simplifies H too much. You can include > or < signs with your H statements and the number units (lbs, inches…) 8-2-11 Original Claim μ = 121 lb Complementary Claim If μ = 121 lb is false, μ ≠ 121 lb must be true. H μ = 121 lb H 1 μ ≠ 121 8-2-12 Original Claim μ = 20.7 in Complementary Claim If μ = 20.7 in is false, μ ≠ 20.7 in must be true. H μ = 20.7 H 1 μ ≠ 20.7 8-2-15 Original Claim μ ≥ 0.8535g Complementary Claim If μ ≥ 0.8535g in is false, μ < 0.8535g in must be true. H μ ≥ 0.8535g H 1 μ < 0.8535g Paste your answer here: (8 points) Finding Critical Values using Table A-2. Determine the test type and then find the critical values. 8-2-17 is done for you. 8-2-17 Test type Two tailed, α /2 in each tail α and/or α /2 α = 0.05, α /2 = 0.025 A = ( α , 1- α or 1- α /2) A= 1- α /2 = 1 – 0.025 = 0.975 Critical Value z Z = ± 1.96 8-2-18 Test type Two tailed, α /2 in each tail α and/or α /2 α = 0.01, α /2 = 0.005 A = ( α , 1- α or 1- α /2) A= 1- α /2 = 1 – 0.005 = 0.995 Critical Value z ± 3.27 ≤ Z ≤ ± 3.32 8-2-19 Test type Right tailed test α and/or α /2 α = 0.01, α /2 = 0.005 A = ( α , 1- α or 1- α /2) A= 1- α /2 = 1 – 0.005= 0.995 1 Critical Value z 3.27 ≤ Z ≤ 3.32 8-2-20 Test type Left tailed test α and/or α /2 α = 0.05, α /2 = 0.025 A = ( α , 1- α or 1- α /2) A= 1- α /2 = 1 – 0.025 = 0.975 Critical Value z Z = - 1.96 Paste your answer here: (8 points) Final Conclusions Statements: Traditional conclusion statements include the words “There is (is not) enough evidence to support the claim that…” and also must include a reference to your original claim subject and claim numbers and their units . In these cases, your claims are proportions, which can be expressed as percentages. cases, your claims are proportions, which can be expressed as percentages....
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This note was uploaded on 04/14/2009 for the course STAT stat 200 taught by Professor Mosekim during the Spring '09 term at University of Wisconsin.

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TH8-KIM, MOSE - TAKE-HOME ASSIGNMENT 8 NAME Kim Mo Se GRADE...

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