What is the strongest correlation in the matrix? What is the weakest correlation

Question

What is the strongest correlation in the matrix?

What is the weakest correlation in the matrix?

Missing 30 Mean Std Dev SF 12 Physical Health Component score. standardized B9 Missing 107 Std Dev SF 12 Mental Health Component Score, standardized Missing 107 Std Dev CORRELATIONS CORRELATION NARIABLES docvisit bmi sfi2phys sf 12ment PRINT TWOTAIL SG. Correlations Number of doctor visits, past 12 mo Sig. (2-tailed) Pearson Correlation Body Mass index Sig. (2-tailed) SF12 Physical Health Component Score, standardized Pearson Correlation Sig. (2-tailed SF12 Mental Health Component Score, standardized Pearson Correlation Sig, 02-tailed) Number of doctor visits past 12mo Body Mass Index SF12 physical Health Component score standordured MentalHealth Component scoe standardized 830 39 193

Explanation / Answer

Correlation gives us the strength of relation between two vairales. Its range is from -1 to 1. If their correlation is closer to -1 it means they are highly related to each other but in opposite direction i.e. if one thing rises, other will fall. Value of closer to 1 also shows high relation but in same direction i.e. if one will increase other increase as well. In the above matrix we have value 1 only for the same variables hence we will ignore it. In other values, Maximum correlation is between "SF12: Physical health component score, standardized" and "Number of doctor visit in next 12 months" with value -0.32. Minimum correlation is between "Body Mass Index" and "SF12: Mental health component score, standardized" which is -0.08.

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