Required: 1) State the correlation coefficient. In an effort to assist with annual electricity costs ($000), a
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1) State the correlation coefficient.
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In an effort to assist with annual electricity costs ($000), a large number of households in Australia have installed solar panels. To investigate this, a researcher took a random sample of households recording the annual electricity cost and the number of solar panels per household. Excel was used to create a simple linear regression of annual electricity cost against solar panels, with a portion of the regression output provided here: Regression statistics Multiple R R square Observations Intercept Solar panels 0.71 0.5041 242 Coefficients 2.93 -0.6 Standard Error 7.7 2.94 In an effort to assist with annual electricity costs ($000), a large number of households in Australia have installed solar panels. To investigate this, a researcher took a random sample of households recording the annual electricity cost and the number of solar panels per household. Excel was used to create a simple linear regression of annual electricity cost against solar panels, with a portion of the regression output provided here: Regression statistics Multiple R R square Observations Intercept Solar panels 0.71 0.5041 242 Coefficients 2.93 -0.6 Standard Error 7.7 2.94
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The correlation coefficient often denoted as r measures the strength and direction of the ... View the full answer
Related Book For
Intermediate Accounting
ISBN: 978-0071339476
Volume 1, 6th Edition
Authors: Beechy Thomas, Conrod Joan, Farrell Elizabeth, McLeod Dick I
Posted Date:
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