英文统计学1.pptx

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1、 1 SlideSlides byJohnLoucksSt. EdwardsUniversity 2 Slide 3 Slide 4 Slide 5 Slide 6 Slide 7 Slide 8 Slide 9 Slide 10 Slide 11 Slide 12 Slide 13 Slide 14 Slide 15 Slide 16 Slide 17 Slide 18 Slide 19 Slidea 10 -za = -1.28Reject H0Do Not Reject H0 Samplingdistribution of 20 Slidea 0 za = 1.645Reject H0D

2、o Not Reject H0 Samplingdistribution of 21 Slide 22 Slidep-value 720 -za = -1.28a = .10z z =-1.46 Samplingdistribution of 23 Slidep-Value 110 za = 1.75a = .04z z =2.29 Samplingdistribution of 24 Slide 25 Slide 26 Slide47. 2402 . 31225.130-nxz 27 Slide 28 Slide 29 Slidep-value 0 za =1.645a = .05z z =

3、2.47 Samplingdistribution of 30 Slide 31 Slide 32 Slide 33 Slide 34 Slide 35 Slide 36 Slide 37 Slidea/2 = .0250za/2 = 1.96za/2 = .025-za/2 = -1.96z = 2.74z = -2.74 1/2p -value= .0031 1/2p -value= .0031 38 Slide 39 Slidea/2 = .0250 1.96Reject H0Do Not Reject H0zReject H0 -1.96 Samplingdistribution of a/2 = .025 40 Slide 41 Slide0716.1 . 6)30/2(.96. 11 . 62/nzxa 42 Slide 43 Slide 44 Slide 45 Slide 46 Slide 47 Slide 48 Slide 49 Slidea 0 ta =1.669Reject H0Do Not Reject H0 50 Slide