When water flows across farmland, some soil is washed away, resulting in erosion. An experiment was conducted to investigate the effect of the rate of water flow (liters per second) on the amount of soil (kilograms) washed away. The data are given in the following table: Flow rate 0.31 0.85 1.26 2.47 3.75 Eroded soil 0.82 1.95 2.18 3.01 6.07 The association between flow rate and the amount of eroded soil is: impossible to determine, because both variables are categorical. neither positive nor negative. positive. negative.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter2: Exponential, Logarithmic, And Trigonometric Functions
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When water flows across farmland, some soil is washed away, resulting in erosion. An experiment was conducted to
investigate the effect of the rate of water flow (liters per second) on the amount of soil (kilograms) washed away. The data
are given in the following table:
Flow rate
0.31
0.85
1.26
2.47
3.75
Eroded soil
0.82
1.95
2.18
3.01
6.07
The association between flow rate and the amount of eroded soil is:
impossible to determine, because both variables are categorical.
neither positive nor negative.
O positive.
negative.
Transcribed Image Text:When water flows across farmland, some soil is washed away, resulting in erosion. An experiment was conducted to investigate the effect of the rate of water flow (liters per second) on the amount of soil (kilograms) washed away. The data are given in the following table: Flow rate 0.31 0.85 1.26 2.47 3.75 Eroded soil 0.82 1.95 2.18 3.01 6.07 The association between flow rate and the amount of eroded soil is: impossible to determine, because both variables are categorical. neither positive nor negative. O positive. negative.
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