Water Use Analysis (p. 20-21)

 

          
           

1.    The total water use for 3 days: 6,347.5 L

2.    The average amount of water used per day by one person: 528 L

3.    Average daily water use (graph on paper) 

Rana: 289 L

Katrina: 216 L

Nia: 499 L

Nicolai: 510 L

Dana: 291 L

Alex: 472 L

Rebecca: 950 L

Eva: 216 L

Camilla: 459 L

Oliver: 527 L

Eden: 528 L

Chase: 363 L

Mike: 490 L

4.    Range: 734 L

5.    Mean: 450 L

Median: 472 L

The mean is more representative of the amount of liters used by one person daily since it takes a compilation of the numbers.

6.    It is different because there are various situations affecting the use of water such as lawn size, or different numbers of bathrooms in the house. Also, not all houses have water-saving appliances, and the family may not be home as much as another family.

7.    The class average is closer to the national average since this is a range of more people and there are a variety of situations affecting the amount of water used.