MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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I need help with d and e please.

2. Given the following data: X number of inventors in company Y number of patents 5.0 8.0 12.0 15.0 17.0 19.0 21.0 1.4 2.7 5.6 7.1 7.8 8.3 8.8 a. Use Excel to make a scatter plot and include the trend line. Tape your diagram below. Remember to add title and axis labels. b. Use Excel to calculate the correlation coefficient r. Ans. c. Find the equation of the least squares line. Ans. d. Use Excel to find the coefficient of determination r?. Ans. e. What % of the variation can be a) explained by the variation between the y values and the values of the least squares line? b) What % is unexplained? Ans. a Ans. b
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Transcribed Image Text:2. Given the following data: X number of inventors in company Y number of patents 5.0 8.0 12.0 15.0 17.0 19.0 21.0 1.4 2.7 5.6 7.1 7.8 8.3 8.8 a. Use Excel to make a scatter plot and include the trend line. Tape your diagram below. Remember to add title and axis labels. b. Use Excel to calculate the correlation coefficient r. Ans. c. Find the equation of the least squares line. Ans. d. Use Excel to find the coefficient of determination r?. Ans. e. What % of the variation can be a) explained by the variation between the y values and the values of the least squares line? b) What % is unexplained? Ans. a Ans. b
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