Question

In: Statistics and Probability

The city of Oakdale wishes to see if there is a linear relationship between the temperature...

The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of

electricity used (in kilowatts).   Using that data, find the estimated regression equation which can be used to estimate Kilowatts when using Temperature as the predictor variable.

Temperature (x)

Kilowatts (y)

73

680

78

760

85

910

98

1510

93

1170
83 888
92 923

81

837

76

600

105

1800
  • A.

    Kilowatts = -2003.896 + 34.858(Temperature)

  • B.

    Kilowatts = 371.223 + 4.269(Temperature)

  • C.

    Kilowatts = 132.031 + 34.858(Temperature)

  • D.

    Kilowatts = 0.945 + 0.893(Temperature)

Solutions

Expert Solution

We can use here Excel for regression equation

Step 1) Enter data in Excel .

Step 2) Data >>Data analysis >>Regression >>Select y and x values separately >>Ok

A.

Kilowatts = -2003.896 + 34.858(Temperature)

orchestra answered 2 years ago
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