1. An aerobic exercise instructor submitted to the shipping company the data given in the following table, which shows the recommended maximum exercise heart rate for individuals of the given ages. See table below. A What is the sum of X? B. What is the sum of Y? c. What is the sum of Y²? D. What is the sum of XY? E. What is the slope of the line? F. What is the intercept of the regression line? Age (x years) Maximum heart rate (y beats per minute) 20 40 60 170 153 136

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