EvoBruh3273
03.06.2020 •
Mathematics
An instructor wants to see if there is a relationship between the number of
absences a student has and his or her final course grade. A random sample
of six students is selected. The number of absences and the final course
grade for each student are given in the following table.
# of absences final course grade
5
90
6
79
8
54
0
94
2
92
4
86
a.
Using the calculator's capabilities, find the equation
for the least squares regression line (ỹ = ax + b) that
best fits this data.
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Ответ:
The Pythagorean Theorem is: c²= a²+b²
c²= 20²+21²
c²=400+441
c²=841
c=√841
c=29
∴The length of the missing side is 29ft.