In a study of bacterial concentration in surface and subsurface water (Pb and Bacteria in a Surface

In a study of bacterial concentration in surface and subsurface water (€œPb and Bacteria in a Surface Microlayer€ Journal of Marine Research [1982]: 1200€“ 1206), the accompanying data were obtained.

Summary quantities are

Using a significance level of .05, determine whether the data support the hypothesis of a linear relationship between surface and subsurface concentration.

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Concentration (X i06/mL) Surface Subsurface 5.46 6.89 3.38 3.72 3.12 Surface Subsurface .39 4.17 4.06 5.16 48.6 24.3 15.9 8.29 5.75 10.8 4.71 8.26 9.41 ΣΧ 136.02 Σ), 39.35 ΣΧ2-3602.65 Σy2_ 184.27 ΣΧΟ, 673.65