Question: Linear regression was used was used to estimate the relationship between the number of laboratory tests performed on a patient during a stay (Y) and

Linear regression was used was used to estimate the relationship between the number of laboratory tests performed on a patient during a stay (Y) and the number of days spent in the ICU (X). The estimated regression equation was Y= 8 + 3 x X. Estimate the number of laboratory tests expected for a patient that spent 2 days in the ICU

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