PSY201 9.30.13 To Post

20 standard deviaon m 016 cuto z p 05 onetailed

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Unformatted text preview: of PopulaDon 1 ▪  Basing predicDon on previous research μ = 0.90 7 9/29/13 2.  Figure the raw score cutoff point on the comparison distribuDon needed to reject the null hypothesis a)  On the comparison distribuDon, shade the alpha region (region more extreme than the criDcal value); this is the alpha region Popula@on 2: DistribuDon of means Mean: μM = 1.20 Standard devia@on: σM = 0.16 Cutoff Z (p < .05, one ­tailed) : Z = 1.645 0.88 1.04 1.2 1.36 1.52 Popula@on 2: DistribuDon of means Mean: μM = 1.20 Standard devia@on: σM = 0.16 Cutoff Z (p < .05, one ­tailed) : Z =  ­1.645 0.88 1.04 1.2 1.36 1.52 Z =  ­1.645 8 9/29/13 Popula@on 2: DistribuDon of means Mean: μM = 1.20 Standard devia@on: σM = 0.16 Cutoff Z (p < .05, one ­tailed) : Z =  ­1.645 Cutoff Raw = (Cutoff Z)(σM) + μM =  ­1.645(.16) + 1.20 = 0.94 0.88 1.04 1.2 1.36 1.52 Z =  ­1.645, Raw = 0.94 Popula@on 2: DistribuDon of means Mean: μM = 1.20 Standard devia@on: σM = 0.16 Cutoff Z (p < .05, one ­tailed) : Z =  ­1.645 Cutoff Raw = (Cutoff Z)(σM) + μM =  ­1.645(.16) + 1.20 = 0.94 Shaded region is alpha 0.88 1.04 1.2 1.36 1.52 Z =  ­1.645, Raw = 0.94 3.  Figure the Z score for this cutoff point, but on the distribuDon of means for PopulaDon 1 a)  On the distribuDon of means for PopulaDon 1, shade the region more extreme this Z score; this shaded region shows the power of the study 9 9/29/13 0.58 0.74 0.9 1.06 1.22 Popula@on 1: Dis of means Predicted Mean: μM = .90 Sta...
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This note was uploaded on 03/24/2014 for the course PSY 21201 taught by Professor Bernard during the Winter '13 term at SUNY Stony Brook.

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