loganparrish2488
15.01.2021 •
Mathematics
A personal trainer wants to look at the relationship between number of hours of exercise per week and resting
heart rate of her clients. The data show a linear pattern with the summary statistics shown below:
mean standard deviation
x = hours of exercise per week Q = 8.9 Sz = 4.8
y=resting heart rate (beats per minute) y = 74.3 Sy = 7.2
r= -0.88
Find the equation of the least-squares regression line for predicting resting heart rate from the hours of
exercise per week.
Round your entries to the nearest hundredth.
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Ответ:
just multiply l•w•d
90m•60m•40m