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# Mean1200 with amy 1520 craig 1000 susan 1100 mike

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Unformatted text preview: Scores Two With Mean=\$1200 With Amy 1520 Craig 1000 Susan 1100 Mike 1230 Monica 1150 Mean = 1200 SD = 197.36 John John Karen 1200 Samantha Will Steve Mean = 1200 SD = 0 1200 1200 1200 1200 5 The Correlation Coefficient (r) Indicates the strength of association between Indicates any 2 variables of interest any r’s range from -1 to +1 Magnitude of relationship: 0 is weakest, |1| is Magnitude strongest strongest Direction: Direct (+), Inverse (-) 6 Assumptions of Correlations: Linearity Linear Linear Curvilinear 18 12 16 10 14 8 12 10 6 4 6 PE RF F RIE NDS 8 4 0 EXTRAV 1 2 3 4 5 6 2 100 110 120 130 140 150 160 170 IQ 7 Assumptions of Correlations: Variation and Normality Scores are normally distributed on both Scores variables variables Scores must show some degree of variation If everyone circles 5, data has no variability Data must vary before it can covary with Data another variable. another 8 Variability i...
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