PSY201 9.30.13 To Post

# 58 074 09 106 122 94 populaon 1 dis of

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: ndard [email protected]: σM = 0.16 0.88 1.04 1.2 1.36 1.52 Z =  ­1.645, Raw = 0.94 0.58 0.74 0.9 1.06 1.22 .94 [email protected] 1: Dis of means Predicted Mean: μM = .90 Standard [email protected]: σM = 0.16 Where does the Z score cutoﬀ fall on distribuDon 1? 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 Z = (X – M)/SD = (Raw cutoﬀ – predicted mean)/σM Z = (0.94 – 0.90)/0.16 Z = 0.25 10 9/29/13 0.58 0.74 0.9 1.06 1.22 .94 [email protected] 1: Dis of means Predicted Mean: μM = .90 Standard [email protected]: σM = 0.16 Z score cutoﬀ: Z = 0.25 Z = 0.25, Raw = 0.94 0.88 1.04 1.2 1.36 1.52 Z =  ­1.645, Raw = 0.94 4.  Using the normal curve table, determine the probability (percentage) of geeng a score more extreme than that Z ­score a)  That percentage = power b)  Beta is the opposite of power (β = 100%  ­ Power) 0.58 0.74 0.9 1.06 1.22 .94 [email protected] 1: Dis of means Predicted Mean: μM = .90 Standard [email protected]: σM = 0.16 Z score cutoﬀ: Z = 0.25 Z = 0.25, Raw = 0.94 0.88 1.04 1.2 1.36 1.52 Z =  ­1.645, Raw = 0.94 11 9/29/13 0.58 0.74 0.9 1.06 1.22 .94 [email protected] 1: Dis of means Predicted Mean: μM = .90 Standard [email protected]: σM = 0.16 Z score cuto...
View Full Document

## 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.

Ask a homework question - tutors are online