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Embry-Riddle Aeronautical University *

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302

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Statistics

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May 21, 2024

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Question 7 1/ 1 point The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts). TemperatureKilowatts (x) (y) 73 680 78 760 85 910 98 1510 93 1170 83 888 92 923 81 837 76 600 105 1800 Based on your results, If the temperature increases by 1 degree, Kilowatts, on average, increases by approximately how much? Round to 3 decimal places. Answer: 34,858 w Hide question 7 feedback You are interpreting the slope for this problem. Copy and Paste the Data into Excel. Data -> Data Analysis -> Scroll to Regression Highlight Kilowatt for the Y Input: Highlight Temperature for the X Input: Make sure you click on Labels and Click OK If done correctly then you look under the Coefficients for the values to write out the Regression Equation Coefficients Intercept -2003.895859 (T;;"'pe'at”'e 34.85759097 Kilowatts = -2003.895859 + 34.85759097(Temperature) The slope is 34.858 At the Temperature increases by 1 degree, then Kilowatts will change by whatever the slope is. In our regression out the slope is 34.858 Kilowatts. As Temp. increases by 1 degree, Kilowatts will increase by 34.858.
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