workshop21 - CHEN 3010 Applied Data Analysis Fall 2004...

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CHEN 3010 Applied Data Analysis Fall 2004 Names: __________________________ __________________________ Workshop #21 Straight-line Linear Regression The purpose of this workshop is to step through the calculations required for straight-line linear regression. Although you will usually do this in a more automated fashion, it is important to know what is behind the “canned” programs that make the calculations for you. The following data have been collected on flow rate for a rotameter: Rotameter Bob Position – x (inches) Measured Flow Rate – y (cc/min) 1.14 112 1.37 115 1.89 152 2.09 199 2.45 161 2.04 209 2.73 237 3.04 231 3.19 233 3.09 259 3.05 287 3.10 240 3.34 281 3.75 311 4.19 392 4.59 357 Compute the least squares estimates for straight-line slope and intercept for these calibration data. To do this, calculate and report the following intermediate quantities:
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This note was uploaded on 10/11/2011 for the course CHEN 3010 taught by Professor Kompala,dh during the Spring '08 term at Colorado.

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workshop21 - CHEN 3010 Applied Data Analysis Fall 2004...

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