Question
The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of electricity used (in kilowatts). Based
The city of Oakdale wishes to see if there is a linear relationship between the temperature and the amount of
electricity used (in kilowatts). Based on the data in the table below, is there a significant linear relationship
between temperature and the amount of electricity used?
Temperature (x). Kilowatts (y)
73 680
78 760
85 910
98 1510
93 1170
83 888
92 923
81 837
76 600
105 1800
Question options:
a. Yes, because the p-value =0.00004
b. No, because the p-value =0.00004
c. Yes, the sample correlation coefficient is equal to 0.893, which provides evidence of a significant linear relationship.
d. No, the sample correlation coefficient is equal to 0.983, which does not provide evidence of a significant linear relationship.
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