26 past due! last question!! ty for all you guys' help!!
2 answers:
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We know that
In statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1
using a excel tool
see the attached figure
<span>the r-value is -0.98534-------> -0.985
</span>
the answer is
-0.985
In statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1
using a excel tool
see the attached figure
<span>the r-value is -0.98534-------> -0.985
</span>
the answer is
-0.985