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# To collect information for a water conservation drive on a

### Customer Question

To collect information for a water conservation drive on a college campus,sample data are collected which show that 50 showers taken taken by students in dormitory A used an average of 36 gallons of water while 50 showers taken by students in dormitory B used an average of 35.5 gallons of water. If the population standard deviation is know is known to be 2.5 gallons,is there a significant difference between the water consumption of students in the two dormitories? Use 0.01 level of significance 1) Formulate Ho& Ha 2) Tell the type of hypothesis test
Submitted: 5 years ago.
Category: Homework
Expert:  Sandhya replied 5 years ago.
Hi,

What is the population standard deviation for dormitory A?

Thanks
Customer: replied 5 years ago.
To collect information for a water conservation drive on a college campus,sample data are collected which show that 50 showers taken taken by students in dormitory A used an average of 36 gallons of water while 50 showers taken by students in dormitory B used an average of 35.5 gallons of water. If the population standard deviation is know is known to be 2.5 gallons,is there a significant difference between the water consumption of students in the two dormitories? Use 0.01 level of significance 1) Formulate Ho& Ha 2) Tell the type of hypothesis test
Expert:  Sandhya replied 5 years ago.