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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-Computer output provides the following grouping information:

Means that do not share a letter are significantly different.
Use the output to make a statement about how electricity usage differs significantly by day of the week.
A) Significantly less electricity is used on weekends than on weekdays.
B) There is not enough evidence to conclude that electricity usage on weekends is different than electricity usage on weekdays.

Question

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.
‪ 
-Computer output provides the following grouping information:

Means that do not share a letter are significantly different.
Use the output to make a statement about how electricity usage differs significantly by day of the week.
A) Significantly less electricity is used on weekends than on weekdays. 
B) There is not enough evidence to conclude that electricity usage on weekends is different than electricity usage on weekdays.

Quizplus · Accepted Answer

The Answer of 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.
‪ 
-Computer output provides the following grouping information:

Means that do not share a letter are significantly different.
Use the output to make a statement about how electricity usage differs significantly by day of the week.
A) Significantly less electricity is used on weekends than on weekdays. 
B) There is not enough evidence to conclude that electricity usage on weekends is different than electricity usage on weekdays.

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