Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
A small university is concerned with monitoring its electricity usage in its Student Center. Specifically, its officials want to know if the amount of electricity used differs by day of the week. They collected data for nearly a year, and the relevant summary statistics are provided. Note that electricity usage is measured in kilowatt hours.
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-Use the data and ANOVA results to construct a 95% confidence interval for the difference in mean electricity use between Saturdays and Sundays. Round the margin of error to two decimal places. Does your interval suggest a significant difference in mean electricity use for these two days?

A) -12.92 to 14.10
There is no evidence that electricity use differs significantly on Saturdays and Sundays.
B) -12.92 to 14.10
There is strong evidence that electricity use differs significantly on Saturdays and Sundays.
C) -11.09 to 12.27
There is no evidence that electricity use differs significantly on Saturdays and Sundays.
D) -11.09 to 12/27
There is strong evidence that electricity use differs significantly on Saturdays and Sundays.