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Assignment5-2010

# Assignment5-2010 - ChE 263 Assignment#5(Excel HW#5 Note...

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ChE 263 Assignment #5 (Excel HW#5) Note: This homework requires data that is contained in an Excel file found on Blackboard under the “Assignments” tab listed as “data_for_hw5.xlsx”. 1. (Competencies 5.2, 6.1; 45 points) Heart rate data (Beats per minute or BPM) as a function of time (sec) for a twenty-minute period of constant exertion is found on the “Problem 1” worksheet of the workbook data_for_hw5.xlsx. The time of each measurement, in seconds, in listed in column A, and the measured heart rate, in beats per minute, in column B. Using Excel: a. Determine the values of c 0 , c 1 , c 2 , and c 3 that result in the best fit of the data to the following equation: ܤܲܯ ൌ ܿ ൅ ܿ ݐ െ ܿ ݁ ି௖ b. Plot the data and the approximating function (BPM vs time (sec). c. Calculate the R 2 value for the fit. Is the fit good? Hints: Providing good guess values is the key to getting this fit to solve.

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