Transcription of SPEARMAN RANK CORRELATION COEFFICIENT
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SPEARMAN RANK CORRELATION COEFFICIENT
SPEARMAN RANK CORRELATION COEFFICIENT Measures the strength and direction of the relationship between two variables The data can be plotted as a scatter graph There must be more than 5 pairs of measurements (10+ gives better results) It makes no assumption about data distribution The value for rs ( SPEARMAN rank) will be between +1 and -1, where +1 indicates a perfect positive CORRELATION and -1 a perfect negative CORRELATION .
SPEARMAN RANK CORRELATION COEFFICIENT • Measures the strength and direction of the relationship between two variables • The data can be plotted as a scatter graph
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