… When dredging, the operator lowers the boom of a dredge to the bottom (or side) of the body of water. A dredge is equipped with a submersible pump that relies on suction to excavate the debris. How do they dredge a river?ĭuring the process of dredging, a dredge is used to remove muck and mud from the bottom or side of a body of water. How it is disposed of would depend on the area or the state of the material. It would usually take place using either a barge with a vacuum or a digger removing material while stationed on the bank. Is river dredging hard or soft engineering?ĭredging normally refers to increasing the depth of the river channel by removing silt that builds up over years.How does dredging reduce the risk of flooding?.Does the Environment Agency dredge rivers?.How does channelization of rivers affect the ecosystem?.What does it mean if a river is dredged?.You would like to show progress, so you decide to include them in your report to management. Your company has no business in Ohio or Louisiana, and it there is no reasonable conclusion why these correlations exist, even though the p-values are less than 5%. Of the 100, two show statistical significance: interest rates on boat loans in south Louisiana and household debt in north Ohio. You download a database from a government website and decide to run a series of automated regressions. Imagine that instead of choosing only four macroeconomic indicators, you chose 100. This could have gone another way…īUT wait! This could have gone another way. An honest analyst would not make this claim, but show that there is no relationship. You had conflicting evidence of the statistical significance of two correlations, but since one side of the evidence supports a personal claim you would like to make, you decide to accept it. Since you’re in a bind, you decide to claim that GDP and Employment rate have a strong relationship to revenue, and that you’re going to explore this further.
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