The concentration of dissolved solids and the turbidity of stream are measured simultaneously for five separately days selected days selected at random throughout a year. the data  are as follows  Do mg/L 400 550 700 800 500 Turbidity JTU 5 30 32 58 20 since turbidity is easier to measure,  a regression equation may be used to predict the concentration of dissolved solids on the basis of known turbidity.  Assume that the variance of dissolved solid concentrations is constant with turbidity.

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The concentration of dissolved solids and the turbidity of stream are measured simultaneously for five separately days selected days selected at random throughout a year. the data  are as follows 

Do mg/L 400 550 700 800 500

Turbidity JTU 5 30 32 58 20

since turbidity is easier to measure,  a regression equation may be used to predict the concentration of dissolved solids on the basis of known turbidity.  Assume that the variance of dissolved solid concentrations is constant with turbidity. 

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