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In a new drug trial, an association between the drug dose (explanatory variable) and pulse rate (response variable) was developed. Given the data summaries below,

In a new drug trial, an association between the drug dose (explanatory variable) and pulse rate (response variable) was developed. Given the data summaries below, the slope of regression equation is most nearly: Ex = 17.0 Zy = 114 Ex' = 37.74 Ey' = 1816 Exy = 225.2 n = 8

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