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Difficulty:
95%
(hard)
Question Stats:
39%
(01:55)
correct 61%
(03:32)
wrong
based on 44
sessions
History
Date
Time
Result
Not Attempted Yet
The graph illustrates both the daily amount of rainfall in inches and the amount of pollution in that rain measured in parts of particulate per million parts of water. The lines for each are colour-coded to associate them with the appropriate y-axis. The x-axis denotes the dates in MM-DD-YYYY format.
Use the dropdown menus to complete the statements accurately, using the information provided in the diagram.
1. Between 06-01-2007 and 08-01-2007, the per-inch increase in rainfall caused an average reduction of approximately in particulate.
2. One can expect with reasonable certainty that for 4 inches of rain, the particulate will be approximately parts per million.
why the answer to the second question is can't be determined?
Show more
Because we cannot find a direct relation between the two line graphs. There seems to be no consistent pattern that could explain the particulate spikes. Consider the period between 03-01-2007 & 06-01-2007, the inches of rain are fairly around 5.5 inches, yet the particulate ppm is no consistent enough to draw any conclusion.
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