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Business Statistics

by: Alia Gerhold

Business Statistics STAT 2160

Alia Gerhold
GPA 3.54


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Class Notes
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This 1 page Class Notes was uploaded by Alia Gerhold on Wednesday September 30, 2015. The Class Notes belongs to STAT 2160 at Western Michigan University taught by Staff in Fall. Since its upload, it has received 9 views. For similar materials see /class/216959/stat-2160-western-michigan-university in Statistics at Western Michigan University.


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Date Created: 09/30/15
SUMMARY OF HYPOTHESIS TESTS Test Null hypothesis Test Statistic Rejection Rule p valuequot TI 83 H1H HU tc gt 25quot1 ztcdm to 999n 1 OneSample Test for E H HU u LLB H1 u gt LLB to to gt ta 2 TTest the Mean LL SA5 tadO to 7999772 1 H1 u lt on to lt toltnrl H1 rul M 51 52 M l gt z 2 normalcdf zc tggg Z9 61 62 Hm H1 2 H1 H1 gt 2 JSEf SE22 zc gt a 3 2SampZTest Difference of H lt SE12 5127 SE22 522quot z lt z normalwa zc M999 Two Means 1 I 1 H2 9 agigae gm H1 ul M 51 52 l a l gt 2 tedl to 79997 m n2 2 P J3EE SE22 01 02 HD H1 H2 H1 H1 gt H2 2 7 2 2 2 7 2 to gt tammrz 4 2SampTTest SE S SE S 1 pquotu 2 7 pquot2 tcdf tc 999n1n2 2 H1 ul lt 2 s m ins ltn2 mann1 m 72 to lt H1LLD 0 itoigttwrl 2 Ed 0 tci79997n1 diff Paired Differences Ho 3 Ha 0 H1 1 HD gt 0 c J t gt t WH 2 T39Test Sm 7 tadl to 999n 1 H1 aD lt 0 to lt ax H1 317 Pu A izc i gt Zn Znormalcd zc M999 1 P OneSample H p p H p gt p zc p 1 up Z gt Z 539 1 PropZTest u u 1 u 39 Proportion H 1 z lt z normalcdf zc 7999 1 p lt pH 0 H13P1 P2 izc i gt Z Znormalcd zc M999 SE2 SE2 Difference Between H0 2 p1 p2 H1 2 p1 gt M 2 7 1 2 zc gt zX 6 2propZTeSt Two Proportions SE1 P11 P1quot1 normalcd z l 999 Hlip1ltp2 SE22P21 P2quot2 ZC lt Za c 7 Reject HU if the pvalue is less than 0 Prepared by Peter John C De Chavez MS PhD Statistics Student October 21 2005


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