#3. E Data showing a monthly electrical bill vs avg monthly temperature (F) is shown below....
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#3. E Data showing a monthly electrical bill vs avg monthly temperature (F) is shown below. (a) (b) (c) Determine the correlation between electricity cost and temperature. Are these two variables strongly related? Explain. Obtain a scatter plot and line of best fit for the data. How strongly does this line fit the data? Use your line of best fit to predict the electricity bill when the temperature is: (i) 40 F (ii) 90 F. Which of these predictions would be more accurate? Explain. Temp (F) 51 61 74 77 78 74 59 48 44 34 32 41 43 57 66 72 72 70 45 39 35 30 49 68 78 Cost ($) 41.69 42.64 36.62 40.70 38.49 37.88 35.94 39.34 49.66 55.49 47.81 44.43 48.87 39.48 40.89 40.89 41.39 38.31 43.82 44.41 46.24 50.80 47.64 38.70 47.47 #3. E Data showing a monthly electrical bill vs avg monthly temperature (F) is shown below. (a) (b) (c) Determine the correlation between electricity cost and temperature. Are these two variables strongly related? Explain. Obtain a scatter plot and line of best fit for the data. How strongly does this line fit the data? Use your line of best fit to predict the electricity bill when the temperature is: (i) 40 F (ii) 90 F. Which of these predictions would be more accurate? Explain. Temp (F) 51 61 74 77 78 74 59 48 44 34 32 41 43 57 66 72 72 70 45 39 35 30 49 68 78 Cost ($) 41.69 42.64 36.62 40.70 38.49 37.88 35.94 39.34 49.66 55.49 47.81 44.43 48.87 39.48 40.89 40.89 41.39 38.31 43.82 44.41 46.24 50.80 47.64 38.70 47.47
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Related Book For
Operations Management
ISBN: 978-0071091428
4th Canadian edition
Authors: William J Stevenson, Mehran Hojati
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