Week16-2up - Madhu Trehan John Seppala Andy Sadler Pavlina...

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Unformatted text preview: Madhu Trehan John Seppala Andy Sadler Pavlina Rumcheva Joseph Powers Adam Meyers Terry Mashtare Dobrin Marchev Larissa Kassebaum Daniel Garcia Erik Freytag Bonnie Erickson Jeff Carter Marinela Capanu Andrea Booth Allison Bond Instructor Sections LIT 109 LIT 101 LIT 101 WM 100 FLG 270 FLG 230 LIT 109 WM 100 WEIM 1064 FLG 220 WEIM 1064 WEIM 1064 FLG 210 CLB C130 CLB C130 CLB C130 Location Final Exam 319 samples from? (a) (a) 1 Population : or (c) Hypothesis Test (reach a decision) (b) Confidence Interval (a) Find Sample Size(s) 3. What is the OBJECTIVE of the exercise? (b) 2 Populations : or 2. What is the PARAMETER if interest? (c) More than 2 (STA3024) (b) . 1. How many POPULATIONS have I taken (will I take) Systematic Approach to Chapters 7, 8, 9 ¤ ¢ Monday, April 30, 3:00 – 5:00 P.M. STA 2023 c B.Presnell & D.Wackerly - Lecture 26   Final Exam Locations 318  STA 2023 c B.Presnell & D.Wackerly - Lecture 26 ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¢¡ ¥ £¢ ¥ £ ¥ §¡ ¥ £§ ¥ § ¥¦£ ¥ ©¡ ¥ ¡ ¥ £¡ ¥ §¡ ¥ ££ ¥ § ¥ £¨ ¥ ¡ ¥ §§ ¦£¤ ¥ §© ¢¡ §© §© ©§© ¢¡ ¢¡ §© ¢¡ ¢¡ ¢¡ §© ¢¡ §© ¢¡ ¢ §£ ¤ ©¡ £ £© §¨ § §¢ §  ¢¡   §¤ £© ©      with confidence units standard error table formula sheet §¤ ¤¤ estimator   form. sheet     large S.S. table value ¨ (b) Confidence Interval with confidence coefficient ¤¤ Estimate to within  ¥¦   ©    (a) Sample Size 4. How to proceed? STA 2023 c B.Presnell & D.Wackerly - Lecture 26 §¤ ¤   © ¥¦   small S.S.    § 320 std. error ¤  form. sheet  “something” OR “something” OR “something” “something” – How about sample(s) Test Statistic Parameter Param Param Param What am I “trying to prove”? : (c) Hypothesis Testing STA 2023 c B.Presnell & D.Wackerly - Lecture 26 $ %# ¡    ¦  ¢£ ¨  ¢   !  " ¦ 6 %# 1'''''''' ))))0)))(& 2''''''' ))))))))' ii. Independent or Paired? i. Large ( ) or small ( )? ©   3 4 5 ! 321 hypothesized value standard error ¡ $# Param Param Param “something” OR “something” OR “something” or Hypothesized Value from NULL HYPOTH. 4 5 1''''''''''' ))0))))))0)(& 2'''''''''' )))))))))))' 3 Estimator and Stand. Error from Form. Sheet estimator Large Sample(s) ©   ¡ ¡ © RR 322 P-values : calc “something” OR “something” OR “something” , not 2. Independent Samples (assuming 1. . Small Sample(s) Param Param Param the calculated value of STA 2023 c B.Presnell & D.Wackerly - Lecture 26  STA 2023 c B.Presnell & D.Wackerly - Lecture 26 © © 4  © calc (tail area) calc ) # d.f. Calculate DIFFERENCES for all pair 3. Paired Samples  ¢ £'''''''''' ¤)0))))))0)' $# ©   3 4  © 3  © ©   ©   ¢ 1'''''''' ))0)))))(& 2''''''' ))))0)))' ! £¡  differences. Use one-samp. proc. to analyse the ! ¥'''''''''' ¤))))))))))' § 3 ¡ ¦ ¤ © ¨§ 4 5 ©£ ¤ ¦ © 3 4 © © ©   ¤  © ¦ ¦   ¤  ¤    ¦    ¤ ¢  ¦ ¤   ¦ ¢ £''''''' ¤)0)))))' ¥''''''' ¤)))0)))' p-value 323 “large” “small” unknown   2. Use if . 5. Use for CI or tests : Large Samples 4. Use for test 3. Use for CI ¡ known. ¡ 6# © !  1. Use if  6 Formula Sheet 8. Use to test 6# 7. Use for CI or test    6. Use for CI or tests : Small Samples ¤ ¨§ STA 2023 c B.Presnell & D.Wackerly - Lecture 26  ¦ © 324 Use “system” for several examples from text. STA 2023 c B.Presnell & D.Wackerly - Lecture 26 325 ...
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