Can someone help with the \"y=mx+b\" and the \"Correlation Coefficient, R\" part

Question

Can someone help with the "y=mx+b" and the "Correlation Coefficient, R" part, please as well as which line is most linear?

Data. Enter the linear equation and correlation of Crystal Violet and Hydroxide fit of your Lab for Section coefficient each Report Reaction Sheet the Date Experiment 7: Rate Law for experimental absorbance function vs. time data. Correlation Coefficient, r y naxtb order Integrated Rate Law kot A lnA. kst+ Conclusion Based on the r value, which line is the most linear? A vs t ln A vs t A vs t Reaction order (m) Rate constant, km' (number and units) Half-life, t1/2 (number and units) Attach a copy of your graph to the report.

Explanation / Answer

The line one has positive slope. So the correlation coefficient has to be close to one.

The lines two and three has negative slope. So the correlation coefficient has to be close to minus one.

So the third is best linear fit among three fits. Because it's correlation is much nearer to minus one.

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