Consider the following data on 20 chemical reactions, with Y= chromatographyc retention time (seconds) and X= molecular weight (gram/mole). Retention Time and Molecular Weight (n = 20) Name Retention Time Molecular Weight alpha-pinene 234.50 136. 24 cyclopentene 95.27 68 .12 p-diethyl benzene 284.90 134.22 decane 250.60 142.29 toluene 174.00 92. 14 benzene 135.70 78 . 11 2-methyl pentane 97.24 86 . 18 2,3 dimethylbutane 100.70 36. 18 1, 7-octadiene 172. 20 110.20 1, 2, 4-trimethyl benzene 262.70 120.19 2,3,4-trimethyl pentane 160.98 114.23 ethylcyclohexane 195.07 112.22 limonene 271.50 136.24 methyl cyclohexane 153.57 98. 19 m-diethyl benzene 281.50 134.22 2, 3-dimethyl pentane 131. 83 100.20 2, 2-dimethyl butane 89.34 86 . 18 pentane 78.00 72.15 isooctane 136.90 114.23 hexane 106.00 86.18 Click here for the Excel Data File (a) Write the fitted regression equation. (Round your answers to 4 decimal places. A negative value should be indicated by a minus sign.) V = * + (b) Calculate R. (Round your answer to 4 decimal places.) R2