Mean standard deviation
x=\#\text{ of absences}x=# of absencesx, equals, \#, start text, space...
Mathematics, 04.05.2020 22:50, xxcecccc
Mean standard deviation
x=\#\text{ of absences}x=# of absencesx, equals, \#, start text, space, o, f, space, a, b, s, e, n, c, e, s, end text \bar{x}=5.0
x
ˉ
=5.0x, with, \bar, on top, equals, 5, point, 0 s_x=1.2s
x
=1.2s, start subscript, x, end subscript, equals, 1, point, 2
y=\text{GPA}y=GPAy, equals, start text, G, P, A, end text \bar{y}=2.9
y
ˉ
=2.9y, with, \bar, on top, equals, 2, point, 9 s_y=0.3s
y
=0.3s, start subscript, y, end subscript, equals, 0, point, 3
r=-0.65r=−0.65r, equals, minus, 0, point, 65
Find the equation of the least-squares regression line for predicting GPA from the number of absences.
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